Our Zabbix frontend shows SNMP availability status of several hosts that seems to be monitored well as "unknown", Zabbix API also returns snmp_available=0, because zabbix_proxy set "unknown status" of SNMP agent availability for these hosts. 318 Zabbix agent item [agent. 20. 420 temporarily disabling Zabbix agent checks on host [netmon]: host unavailable 20118:20130604: Nov 27, 2015 · 10945:20151127:141742. I was changed many config in zabbix_server. Test availability: zabbix_get -s <zabbix_agent_addr> -k web. Steps to reproduce: Monitor a host with a proxy in between, get some active and passive items, see that after a while green icon gets grey because of active checks seem not working. 7 and the version of server is 3. If you use the Zabbix agent in the passive mode, it means that the poller (internal server process) connects to the agent on port 10050/TCP and polls for a certain value (e. The difference between Zabbix agent and Zabbix agent 2 requests/responses is Feb 15, 2021 · 15-02-2021, 11:46. 0 and all the zabbix clients of windows machine is configured with Passive checks via IP/Port (10. In the "intermediate CA" mode, I am doing the following (bold parts are different or added): Generating a root CA key and self-signed cert. Also you can test zabbix_agentd directly: zabbix_agentd -t checkip[] [m|ZBX_NOTSUPPORTED] [Timeout while executing a shell script. I'm noticing some issues in the following scenario: host is monitored via Agent 2 configured in active mode for the Redis template (Redis by Zabbix Agent 2) host is monitored via Agent Oct 25, 2015 · Increase debug level, restart agent and check zabbix logs. Nov 10, 2022 · When an active check heartbeat is found to be older than 2x HeartbeatFrequency seconds, active checks are deemed as unavailable. 05. 0 - do not disable 1 - disable: EnableRemoteCommands: no: 0: Whether remote commands from Zabbix server are allowed. Create an item with "Zabbix agent (active)" type. MrKen. Configuring Zabbix agent. Switching host to "no proxy" and assigning proxy again makes indication Available again. 2 or earlier, you will start to get these errors in the log: 3469:20190814:091418. Apr 29, 2007 · Host status and active check agents. To start viewing messages, select the forum that you want to visit from the selection below. # Note that hostnames must resolve hostname->IP address and # IP address->hostname. 0 サーバーからログ監視をおこないたいので、アクティブチェックの監視項目を追加しましたが、アクティブチェックが有効にならずに、ログ監視ができません。. 27. 0. 125. Clicking on the name brings up the host menu. com]:10051]: [4] Interrupted system call) and on the server side i get lots of this Apr 16, 2021 · status unknown on new clients. ServerActive=<Zabbix Server IP> A host interface is treated as unreachable after a failed check (network error, timeout) by Zabbix, SNMP, IPMI or JMX agents. All of my agents are active. The Agent Passive checks work fine. From that moment UnreachableDelay defines how often an interface is rechecked using one of the items (including LLD rules) in this Dec 28, 2018 · 19682:20181228:141632. 2. com:10051] started to fail (cannot connect to [[monitor. 2 zabbix_server (Zabbix) 5. conf the configuration I edited: ServerActive=172. Hi All, I have Zabbix Server Version 6. This functionality by Zabbix works only if you are using the latest version of Zabbix agent or Zabbix agent 2. Set the ServerActive as zabbix server IP. However data continue to gathering. In this guide, monitoring by means of active checks will be described. Zabbix server version: 5. But I can see actual latest data collected from those hosts with SNMP and I'm in doubt: how to debug Jul 8, 2022 · 3874:20220707:095633. Hostname=uknet80Server. Note: If Zabbix agents older than 6. The problem is that unless the active checks correctly works (I have all the metrics on my Zabbix Server), the Zabbix server keeps to say that the Agent is offilne, and I can trace that the server keeps to try (and obviously fail) to connect to the remote agent Jun 24, 2024 · Posts: 1330. An orange wrench icon after the name indicates that this host is in maintenance. Hostname=sergey # Listen port. The agent will not listen on any TCP port. 139 unknown request received [host availability] /Zabbix server/system. certificate. Or you can keep the current template and add the "Zabbix Agent" Template. Zabbix uses a JSON-based communication protocol for communicating with the agents. ping] on host [zabbix] failed: first network error, wait for 15 seconds 20076:20130604:114007. */\1/p' Disable active checks. 514 cannot send list of active checks to "127. x are used, they are not sending any active check heartbeats, so the availability of their hosts will remain unknown. 49 set result code to 5: Mar 5, 2010 · Then in the gui, host config be sure you have the same Hostname and that you have selected 'Connect to: IP Address'. The zabbix_server_log in this case is writing a line each second for each disabled host in the log file: cannot send list of active checks to "IP ADDRESS": host "HOSTNAME" not monitored. I have some disabled hosts in Zabbix which still have the Zabbix agent 2 service running. Setup and configure zabbix-agent2 with the WebCertificate plugin. For some reason, some of them are not showing the green "ZBX" icon in the column connectivity. As far as I can see, the passive monitoring is working as intended, but the active monitoring shows me the status "unknown" After restarting Zabbix services agent on Windows, Windows doesn't show specific logs, but Active Checks Nov 28, 2017 · 1. 2 on my server (Centos 7) with about 400 hosts and 9000 items that work in Active mode. Provided the Hostname (Same as the hostname which is running the zabbix agent) 6. However data continue to Jul 13, 2010 · First entry is used for receiving list of and sending active checks. All of my graph and configs is on attachment. Expected. Setup. Active agent availability is counted towards the total Zabbix agent availability in the same way as a passive interface is. But when I configure the configuration file for the 2 agents with : Server=#IP_Adress_Of_ServeurB#. Mar 4, 2022 · active check configuration update from [zabbix. 930 active check configuration update from [zabbix-server-ip:10051] started to fail (cannot connect to [[zabbix-server-ip]:10051]: [4] Interrupted system call) The tests you have done is about connection from the Zabbix server to the client and it seems working without any problem. g. Oct 9, 2020 · I am configuring devices to be monitored, I would like to use Active checks only, preventing the server from reaching out. It specifies that the host is 'Zabbix server' and the key being monitored is 'system. #3. Added the agent in the zabbix UI. 364 cannot send list of active checks to [192. linux. Then at the bottom of that screen, click on Jul 7, 2011 · Unknown host status. 168. Only firewalls involved are firewalld on CentOS, of which I've opened all necessary ports (10051/tcp on the Zabbix Jul 20, 2005 · That is, a check that zabbix supports out of the box. Return value: JSON object. Restart the Zabbix Agent. conf: DisableActive=0 5. Return values: 0 - unknown; 1 - available; 2 - not available. I have a Zabbix Proxy running on Raspien. Jan 14, 2010 · zabbix agent is where the zabbix server talk to the agent and asks for metrics, whereas zabbix agent active send the metric it has been told to collect to the zabbix server. This is partially caused by ZBX-16510. May 11, 2023 · In the Zabbix web interface, you can configure the type of check for an item. 11. Description. Export. The proxy communicates with the server under Administration -> Proxies but its not running active checks. Older Agent versions do not send any heartbeats, hence the availability of their hosts continues to remain Dec 11, 2020 · Hi guys, Just wondering why the green highlight of ZBX icon doesn't appear on the Availability column under Monitoring > Hosts but there are graphs and the latest data being recorded. 25:10050. 5 LTS server mounted on a VPS in the cloud. 5 if you happen to have a forgotten Zabbix proxy 3. telnet from server to host is ok. Active checks are considered unavailable when the active check heartbeat is older than 2 x HeartbeatFrequency seconds. Jan 28, 2021 · I can also prove 10050 is opened on the Agent with zabbix_get from the Zabbix Server; Code: [root@ns-zabbix ~]# zabbix_get -s 192. First, you would create a user defined check, say; Code: UserParameter=active[timestamp],/bin/date +%s. A few benefits of passive checks over active: active checks are serial (one thread per server only), while passive checks are parallel, to some extent. I'm doing active checks using Proxy in Zabbix. load[all,avg1] gives a short name of the monitored parameter. xxx. However, when I use the active mode, although the data arrives, it does 0. Default 3 seconds are not the best for your ping, which needs 3+ seconds. You may have to REGISTER before you can post. So far I found it, that it has nothing to do with network or firewall issues, I was at the Dashboard when ZABBIX BUGS AND ISSUES; ZBX-21724; Active checks availability indication became unknown for host which is assigned to active proxy Aug 16, 2006 · Active Checks on W32 Agent seems to work. I want to monitor Windows systems where I have installed the Zabbix Agent 2 6. Active agent availability is counted towards the total Zabbix agent Jan 8, 2016 · 4. 18-10-2012, 20:31. ] => Timeout problem. root CA cert. NS-Syslog. But some things still bug me, First When I edit the conf file and use DisableActive= OR RefreshActiveChecks= and run zabbixw32 check-config I get "unknown option" I use w32 agent 1. I'm trying to get the Agent Active checks working on a new CentOS 7 client. passive checks support flexible intervals/scheduling, while active checks do not. Data is being gathered, however the host still shows as "Unknown" in the default dashboard. I then created another cloned template Template OS Linux Active and changed the linked template to the new Sep 29, 2021 · 4. Sep 26, 2017 · 1. get[<website_DNS_name>] 3. Log In. The version of proxy is 3. 5 client. local. Required for active checks. I inserted into zabbix_agentd. c line 1543: error:14094418:SSL routines:ssl3_read_bytes:tlsv1 alert unknown ca: SSL alert number 48: TLS read fatal alert "unknown CA". ZABBIX BUGS AND ISSUES; ZBX-21724; Active checks availability indication became unknown for host which is assigned to active proxy. Host name of zabbix_agentd running. This line is telling the agent to check the server for active checks. Mar 4, 2014 · We have Zabbix Server, Zabbix Proxy and Zabbix Clients. Pasive check is allready working but I try active checks for first time. Jan 17, 2008 · ZABBIX Agent : log [] only accessible as an active check? 17-01-2008, 23:04. 247 active check configuration update from [172. Configure Zabbix for monitoring. Could be a problem with version of Zabbix client? Thanks. Feb 5, 2019 · Though, documentation doesn't state that host status is unknown when only active items are being monitored. 2 active agent heartbeat message was added to active agent protocol "active check heartbeat", "host Powered by a free Atlassian Jira open source license 20081:20130604:113906. Note that Zabbix agent active checks do not influence interface availability in any way. load[all,avg1]'. Go to "Configuration" > "Hosts", select the host you want to configure, and go to the "Item" tab. In Zabbix, some show "Available" and some show Unknown. If i enter addresses manually then it works great. "Agent hostname" is not the system hostname necessarily - it depends on the configuration parameters "Hostname" and "HostnameItem". Changed the template for OS and zabbix agent items with zabbix-agent (active) 8. Expected: Either availability icon should be green (if data arrives), or documentation should state that host status is unknown when only active items are being monitored on the host. Zabbix agent can collect metrics in active or passive mode (simultaneously). 26-06-2024, 18:47. The servers to get the active checks from are listed in the 'ServerActive' parameter of the agent configuration file. test. My Server has 8 Core with 12G Ram and 50Gb HDD. Host availability per configured interface. Create Items for Machine with "Zabbix Agent (Active)" Checks and "Zabbix Agent" Checks. and telnet been checked and found OK. Steps to reproduce: Create a host with Agent interface. I commented out the hostname= line on the monitored server 3. Jul 2, 2020 · Server (for passive checks), as well as ServerActive (for active checks) should both specify proxy details if all the checks are going through proxy. After restarting Zabbix services agent on Windows, Windows doesn't show specific logs, but Active Checks status is still unknown: Aug 14, 2015 · The problem is in your agent configuration file. I need to check if my debian servers are updated. 0 ### Option: StartAgents # Number of pre-forked instances of zabbix_agentd that process passive checks. as they are on the same network, you can change from Active Mode to Passive mode, associating the "Windows/Linux Agent". I enabled active checks on the monitored server in zabbix_agentd. I installed zabbix 1. Host hostname in Zabbix is not the DNS or the IP address - it's the contents of the "Host" field in the host properties. Specify your Zabbix Server address in the Server and ServerActive parameters. Agent ping. I verfied the hostname on the monitored server matches the hostname on the Zabbix server 4. The poller waits until the agent on the host responds with the value. this is my zabbix-agent2. conf and increase Timeout settings. 18-11-2020, 10:46. In 6. I have a JBOSS running in same HOST that Zabbix Agent (Under Firewall) is, and I need to check if the application is running under port 8084, usually (without firewall Jun 5, 2018 · 0. Still impractical but more efficient. ) all ports open between the two servers. The frequency of asking for these checks is set by the 'RefreshActiveChecks' parameter in the same configuration file. Jan 12, 2022 · zabbix-agentのactive checkが失敗する. # Unique hostname. If I check the the Zabbix agent conf file, there is written IP address of Zabbix server in section "Active checks". Configure Maschine in Zabbix with Lower and Upper Case TESTMachine01. 5 on centos 8. I finally can resolve my problem. >> All is ok. the result of that script is passed back to the zabbix_sever. And then be sure that you have selected 'Connect to: DNS Name' in the gui. Zabbix 5. Zabbix server sets the host availability icon to gray (unknown status) for the corresponding agent interface (Zabbix, SNMP, IPMI, JMX) if: there are no enabled items on the interface (they were removed or disabled); there are only active Zabbix agent items; host is disabled; host is set to be monitored by proxy, a different Mar 21, 2023 · Zabbix Active Checks and Showing Unknown. 5. conf configuration using PSK zabbix[host,active_agent,available] The availability of active agent checks on the host. telnet from host to Zabbix server is ok. Zabbix Jun 19, 2022 · Hi, I currently have a Zabbix 6. 5. Till that, everything fine. # # Mandatory: no # Default: # ListenIP=0. local is a resolvable dns name, you could do this: Server=test. Create a host for the TLS/SSL certificate with Zabbix agent interface. telnet from host to Zabbix server is ok telnet from server to host is ok I have 4 servers with the same issue configuration on agent side is ok and hostname defined correctly same as in zabbix server Oct 19, 2023 · For a while, i have been using Zabbix passive checks (server-to-client polling) but i need to enable Zabbix active checks now for log monitoring within the Zabbix console. Tried checking the ports: Hello, I have Zabbix 4. The zabbix_get command is not working too. If you only intend to use active checks, disable passive mode by setting StartAgents=0 in the agent configuration file. Active agent availability is counted towards the total Zabbix agent availability in the same way as a passive interface is (for example, if a passive interface is available, while the Jul 31, 2020 · Im thinking more of a zabbix server issue even though i havent changed nothing. zabbix[host,discovery,interfaces] The details of all configured interfaces of the host in Zabbix frontend. Only active checks will be processed. 083 SSL_shutdown() with 192. xxxx. If the monitoring profile does not include any you will get the error message you are seeing for the system. Zabbix server sets the host availability icon to gray (unknown status) for the corresponding agent interface (Zabbix, SNMP, IMP, JMX) if: there are no enabled items on the interface (they were removed or disabled); host is disabled; host is set to be monitored by proxy, a different proxy or by server if it was monitored by Nov 18, 2020 · i installed zabbix_server (Zabbix) 5. i installed zabbix_server (Zabbix) 5. Jul 8, 2020 · SELinux in agent instance is disabled, nmap to zabbix server shows both 10050 and 10051 ports are open. 106 Hostname=Zabbix server. 58. Server=172. Generating a server key. zabbix_agentd (daemon) (Zabbix) 5. 5 on centos 8 everything is working fine but the agents cannot register on the server. 25. # Agent will listen on this port for connections from the server. Also zabbix active means the zabbix Jan 19, 2010 · That will put a checkmark next to each item in the template. See Passive and active agent checks for more info. Zabbix should be configured according to the instructions in the Templates out of the box section. I looked in the manual and read some of the wiki regarding host status and active checks. 0 - not allowed 1 Sprint: Sprint 56 (Sep 2019), Sprint 55 (Aug 2019) Story Points: 0. 99. I have configured an Active Check and it shows as 'Unknown' in the front end. 4 fresh on ubuntu 9. But i really need this to work. Comments: This item can be used in low-level discovery; Observe that active check availability indication has available status; Wait for a ~20 min; Observe that active check availability indication became unavailable; Result: Active checks availability indication became Unknown after approximately 20 min of run of the instance for host which is assigned to active proxy. Markku. 3 running on CentOS. 10. crt I include in order. Open the zabbix_agentd. The agent will work in passive mode listening for server. All the linux agents work fine (local and remote) The windows agent in the local network work fine. I verified I can telnet to port 10051 from the Apr 27, 2020 · Server. Jun 22, 2023 · If I click on grey ZBX it shows me "Active checks - Unknown". 71. How to configure and deploy Zabbix passive and active agents: Install the Zabbix repository and the Zabbix Agent on your host. First entry is used for sending active checks. I am noticing that Active Checks doesn't work on 23. 2 My question is: why ZBX indicator is not green? It's just grey. The main interface of the host is displayed. Jul 15, 2016 · I have installed an zabbix-agent on a Windows host, while the zabbix-server on CentOS host, but get value error: cannot connect to [[172. May 3, 2008 · I can see in the frontends that the 2 agents are reached normally by the server (Status Monitored / Availability : Available) and I can get data from them. agent cert. Still, the active check status is unknown. That way they will both get their own items, not the same items both. Finally I have SeLinux in Permissive mode on both the Zabbix Server and the Agent I'm attempting to setup the Active checks on. hostname. Does not require changing the agent protocol. Open the item and set the "Type" to either "Zabbix agent (active)" or "Zabbix agent (passive)" to specify the check type for the item. 1": host [Zabbix server] psk identity not found: TLS write fatal alert "unknown PSK 2 The Zabbix agent could have a list of host names to get active checks for and run all tests returned by the server for any name. # If set to 0, disables passive checks and the agent will not listen on any TCP port. g. The Linux hostname is configured properly too. Dec 9, 2021 · Watch on. Define the name of your host in the Hostname parameter. Note that if Zabbix agents older than 6. conf and my. Interface. Everything works correctly if I use the passive mode (opening ports in the firewall). com]:10051]: [111] Connection refused) That said, in the zabbix interface itself, I'm pretty sure I wrote everything correctly. Check requirements for the availability icon to turn green. Aug 27, 2019 · If this is your first visit, be sure to check out the FAQ by clicking the link above. Mar 22, 2015 · I have a problem with active checking. lds" with Zabbix Agent. The agent must first retrieve from the server (s) a list of items for independent processing. Then the server gets the value back, and the Apr 24, 2024 · after that I added "Windows by Zabbix agent active" to perform active checks; and connected Windows Server to Zabbix. No agent is seen by the server, I've got an 'Availability : Unknown' (see Sep 13, 2007 · # No spaces allowed. in my case it was Zabbix server. Now, the returned value will change every second, so if you set your delay to say 30, then this value should never be May 30, 2024 · 30-05-2024, 08:17. IP dont work in active checks. These 2 computers are on different networks at different locations. So basically using active agent means that the load i taken away from the zabbix server and given to each agent to do most of the work. Signing the CSR by the root CA. Attempting to telnet from WEBSERVER03 to ZABBIX01 on either 10050 or 10051 both fail. x. 3 The Zabbix agent could be made to get active checks by something else, e. Oct 18, 2012 · IPADDRESS and HOST. 44 # Server port for sending active checks ServerPort=10051 # Unique hostname. for exemple 193. Version of zabbix_agent (d) running". The clients in question are identically configured as the clients, which show up as properly connected. 3) is discovered by the server but cannot receive the list of active checks. 1. These aren't the actual IP addresses, however the real ones are all on the same local network. lds. 2. So when I add ZBX_HOSTNAME=Zabbix server to environment variables of my zabbix-agent and depends on it to the zabbix-server everything is good. UserParameter=system. The visible host name. Additional agent parameter e. 同じサーバー間のアクティブチェックは成功しますが This section provides details on passive and active checks performed by Zabbix agent and Zabbix agent 2. Jun 19, 2023 · By default, value is true - name: ZBX_PASSIVE_ALLOW value: true ## This variable is boolean (true or false) and enables or disables feature of active checks - name: ZBX_ACTIVE_ALLOW value: false ## The variable is used to specify debug level, from 0 to 5 - name: ZBX_DEBUGLEVEL value: 5 ## The variable is used to specify timeout for processing Apr 2, 2022 · Configured this host agent with only active checks. 59:10050] started to fail (ZBX_TCP_READ() failed: [0x00002746] An existing connection was forcibly closed by the remote host. cpu. Edit zabbix_agentd. Result: May 24, 2016 · # First IP address is sent to Zabbix server if connecting to it to retrieve list of active checks. Finally, >5 means that the trigger is in the PROBLEM state whenever the most recent processor load measurement from Zabbix server is greater than 5 Apr 29, 2009 · windows agent active check. Other possible reasons: your frontend and Zabbix server use different databases Nov 18, 2016 · # First IP address is sent to Zabbix server if connecting to it to retrieve list of active checks. "Template OS Linux by Zabbix agent active" is already applied to the host. However data continue to In zabbix_server. 4. mydomain. I'm doing checks on a Linux VM and using the template Template OS Linux by Zabbix agent May 17, 2018 · Zabbix Server can't communicate to Zabbix Agent because of the firewall, but the Agent can send data to Server, so i need to use only "Active Checks" and avoid "Passive Checks". i have just installed (deploied) on 40 servers the agent and autoregistration to the server, but now i see all of them are in UNKNOWN (gray)state, how can i fix it ? Edited : i found that i need to run two item on each host ? like ping and hostname so the ZBX will turn green, how can i do it in bulk way not adding Mar 15, 2015 · 15956:20150315:112131. 0 servers (not upgraded servers!). Observe that active check availability indication has available status; Wait for a ~20 min; Observe that active check availability indication became unavailable; Result: Active checks availability indication became Unknown after approximately 20 min of run of the instance for host which is assigned to active proxy. The idea came from ZBX-15591. 01. sw. but the agents cannot register on the server. 7. If test. When I tail the logs on the server, we get cannot send list of active checks to "10. , host CPU load). 201": host Exchange01 not found. zabbix-agent has an environment variable named ZBX_HOSTNAME which should be the name of the hostname in the zabbix web hosts tab. com and my host are going on. 103. I have hundreds of computers at about 20 different locations running this agent, but only 2 exhibit this problem. Dec 23, 2019 · Within my Zabbix instance I have a couple of Linux servers and as well as some routers (openwrt) connected via the Zabbix agent. I changed a single item to ZABBIX agent (active) 2. you want to get the status of an raid array of an server. For example, assume you wanted to alert if an active check server failed to send in it's data within a specified time frame. It would be nice if Zabbix would set agent icon to green when data is received also from active agent. Ensure that both agents are named uniquely. 17]:10050]: [111] Connection refused. Pings between zabbix. From the wiki, it sounds like the host status should work when agent items get updated, but that doesn't appear to be the case. Observe host's availability in Configuration -> Hosts. The problem is when I add the host to the zabbix server the the agent never appears as "Available". Nov 28, 2023 · solution. cnf files, But this issue not solved. For a lot of good reasons, I cannot permit my monitored clients to connect to the Zabbix server (the net the Zabbix server is on has a much higher level Jun 30, 2008 · 1. The agent runs on xxxx. Mar 8, 2023 · zabbix-server-mysql using 10051 port zabbix-web-nginx-mysql using 8080 port (that's work) zabbix-java-gateway using 10052 port mysql-server using 3306 port zabbix-server is available on the interface zabbix and using server (vps) address and 10050 port. . 6. But it doesnt work good in active checks it doesnt resolve IPADDRESS to real IP address. Im using IPADDRESS with int number for keys and it works great in passive checks. Nov 18, 2020 · Zabbix Agent no active checks on server. Jun 29, 2024 · once again I have a weird problem on one of my freshly installed 7. Zabbix agent and Zabbix agent 2 protocols have been unified since Zabbix 7. active icon configured is only the agent log on all of the hosts, but it seems that it is updated not frquently because there is not so much update in the log. 29-04-2009, 23:01. 592 cannot parse list of active checks: 15956:20150315:112331. Apr 23, 2024 · In zabbix_agentd. 1. In addition Zabbix provides a possibility to choose how the Agent will ope Mar 23, 2020 · Active vs Passive agent connection. debianupdates,apt-get dist-upgrade -s |sed -n 's/^\([0-9]\+\) upgraded. Sep 19, 2021 · The Zabbix agent (Win64 5. On the next screen, put a checkmark for the first item "Type" and then select Zabbix Agent (Active) from the dropdown list. For example, if a passive interface is available while the active Jun 4, 2015 · The frontend 'Host name' is configured to 'WEBSERVER03' and the passive checks are working. x:10050) via zabbix agent and works fine. an active check is a check, that requires a a script or external command to be defined in the agent configuration file and that is executed via the agent. conf configuration file. Steps to reproduce: Install Linux Maschine with Name "testmachine01. DisablePassive: no: 0: Disable passive checks. # Required for active checks and must match hostname as configured on the server. They are using Active Checks. After upgrade to 4. 2 -k agent. Click on the column header to sort hosts by name in ascending or descending order. Creating an intermediate CA key. So I want to let the agent traps the data. 1 I understand that active checks are enabled by default, Hi vijayk Yes in the agent config file values are as below, but it is still the same issue. Creating an intermediate CA CSR. Wait until some data appears in Monitoring -> Latest data. com:10051] started to fail (cannot connect to [[zabbix. restarted both the client and server services. Passive checks require additional port open on agents, but active checks require one to be open on the server. this is the agent active check configuration update from [monitor. Availability. For active checks to work, agent hostname must match the host hostname in the Zabbix server. Next step is to scroll all the way down and on the buttons across the bottom, click on the last one "Mass Update". conf user parameter. everything is working fine. 16. # Note that hostnames must resolve hostname->IP address and IP address->hostname. Active checks availability indication became Unknown after approximately 20 min of run of the instance for host which is assigned to active proxy. 123]: host [zabbix] not found 20071:20130604:113907. Now the requirement is to add the eventlog monitoring which requires Active Agent checks, which is May 8, 2019 · Zabbix agent is one of the most popular Monitoring type choices for OS monitoring. 4. Or in the zabbix monitoring profile for the system. Zabbix queue on admin panel show many items. I have set up Active checks all around my servers so i know how to get it working (not much to it really). ActiveUnavailable could be used to define the limit of time without "active data" which would cause the Agent icon to go back to gray probably setting host availability to "unknown". But I want to monitor most of the server (and some clients) behind NAT. Code: failed to accept an incoming connection: from <IP>: TLS handshake set result code to 1: file ssl/record/rec_layer_s3. Mar 13, 2021 · Unknown host status. I randomly get "Zabbix Agent is not available" or "Active checks are not available" alerts across different servers at different times. Change the type field for each item from Zabbix agent to Zabbix agent (active) and save each one. I've given this some thought, and I cannot come up with any reason why this should be limited to active checks only. agent interfaces (host name/IP address:port number Nov 11, 2013 · Then in the 3 items linked to this new cloned template. 21-03-2023, 12:07. mz ko rp fr pe cx ru hn bh ap