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  1. Fail2Ban for Kamailio on VoipNow

    on PIKE logs, you must enable it. More details here. The messages logged by Kamailio look like this:  1449744585: L1 Pike block from 10.150.5.113:5061 1449744585: L2 Pike block from 10.150.5.113:5061 1449744585: L3 Pike block from 10.150.5.113:5061 You need to create the Kamailio configuration file for Fail2Ban. This file
    4PSA Knowledge BaseFeb 24, 2018
  2. Fail2Ban for Kamailio on VoipNow 4.0.0

     module is used to log and throttle incoming request IP addresses. The messages logged by Kamailio look like this:  1449744585: L1 Pike block from 10.150.5.113:5061 1449744585: L2 Pike block from 10.150.5.113:5061 1449744585: L3 Pike block from 10.150.5.113:5061 You need to create the Kamailio configuration file
    4PSA Knowledge BaseJan 22, 2018
  3. Troubleshooting Kamailio DNS settings

    Problem VoipNow 3, which by default has DNS caching enabled, comes with a different version of Kamailio. The problem is that, in some situations, customers … In VoipNow 3 /etc/kamailio/kamailio.cfg contains a setting called: use_dns_cache, which by default is set to "yes". This means that all DNS request results
    4PSA Knowledge BaseDec 07, 2017
  4. How to debug Asterisk and Kamailio

    (for example 192.168.14.39) STEP 6: When're done, you can disable SIP debugging using: asterisk -rx "sip set debug off" The Kamailio logs These logs are useful in case incoming-call related problems occur. When you set up a channel for the first time, it always helps to look at a Kamailio log file. Especially if you do
    4PSA Knowledge BaseDec 07, 2017
  5. How to configure TLS support for Snom

    node (if you have a distributed system) do the following: STEP 1: Open /etc/kamailio/kamailio.cfg STEP 2: Check the value of the verify_certificate parameter … Kamailio will not verify the certificate with a CA. If this is what you want, you can start setting up the phone. Otherwise, continue with the next step  STEP 3
    4PSA Knowledge BaseDec 07, 2017
  6. How to monitor VoipNow with Homer

    protocol (i.e. Homer Encapsulation Protocol). Asterisk and Kamailio natively support HEP through the "res_hep" (Asterisk) and "siptrace" (Kamailio) modules. For the time being, VoipNow's versions of Asterisk or Kamailio are not using these modules. So, for the Capture Agent, you can use port mirroring, Homer's
    4PSA Knowledge BaseDec 07, 2017
  7. Understanding codec negotiation

    negotiation occurs. The SIP signalling also passes through Kamailio. In the case of a call from the internal (private) network to the outside (public) network, the flow of the SIP signalling is as follows: Internal caller >> Kamailio >> Asterisk >> Kamailio >> External callee. Here is a Wireshark capture of the flow
    4PSA Knowledge BaseDec 07, 2017
  8. Troubleshooting calls and debug steps

    Applies to VoipNow 3 and higher! When dealing with call failure, you need to determine the VoipNow infrastructure layer where the call seems to fail: KamailioKamailio  Make sure your SIP traffic reaches Asterisk. To do this, log in your VoipNow server as root using your favorite SSH console (e.g. Putty), set sip set
    4PSA Knowledge BaseDec 07, 2017
  9. How to detect abnormal traffic using Pike

    in Kamailio that keeps track of all incoming requests, logging the source IP address for requests exceeding limits. This module was implemented for the purpose of blocking IP addresses when limits are exceeded. It's better not to rely only on Kamailio to block such IP addresses. Pike also reports abnormal traffic coming
    4PSA Knowledge BaseFeb 24, 2018
  10. Location and configuration files for VoipNow logs

    , maximum 7) Kamailio The Kamailio log is useful in case you have problems with calls, registration or any other call-related issue, except for audio issues. You can find the log here:  /var/log/kamailio/kamailio.log Configuration The configuration file is in /etc/kamailio/kamailio.cfg debug=-1 facility_sql
    4PSA Knowledge BaseDec 07, 2017