[asterisk-bugs] [JIRA] (ASTERISK-24282) Asterisk listening/communicating on undefined IP

[Zohair Raza (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-24282?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=225706#comment-225706 ] 

Zohair Raza commented on ASTERISK-24282:
----------------------------------------

Hello Team

Any update

I just tested the latest version from certified branch 

and found the same problem

My Asterisk is supposed to listen on 172.20.255.66 only but it is also communicating with wrong IP

[root at RAI-TESTPBX-01 certified-asterisk-11.6-cert10]# lsof -i :5060
COMMAND   PID     USER   FD   TYPE    DEVICE SIZE/OFF NODE NAME
asterisk 3494 asterisk   12u  IPv4 125728629      0t0  UDP 172.20.255.66:sip
asterisk 3494 asterisk   13u  IPv4 125728630      0t0  TCP 172.20.255.66:sip (LISTEN)
asterisk 3494 asterisk   21u  IPv4 125742847      0t0  TCP 172.20.255.66:sip->10.100.210.110:xds (ESTABLISHED)
asterisk 3494 asterisk   27u  IPv4 125742863      0t0  TCP 172.20.255.65:48591->10.100.210.110:sip (ESTABLISHED)

The version I tested this on is 
certified-asterisk-11.6-cert10


> Asterisk listening/communicating on undefined IP
> ------------------------------------------------
>
>                 Key: ASTERISK-24282
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-24282
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_sip/Interoperability
>    Affects Versions: 11.3.0
>         Environment: Vmware Esxi / Centos 6 
>            Reporter: Zohair Raza
>            Assignee: Rusty Newton
>            Severity: Critical
>         Attachments: 7may.pcapng, mylog.log, s1.pcap
>
>
> Hi,
> I am running asterisk on VMs with standby heartbeat configuration, Heartbeat assigns a virtual IP 172.20.255.40 on machine afterwards asterisk is started. In the sip.conf, I have explicitly define bindaddr=172.20.255.40 but sometimes I see packets coming from physical IP 172.20.255.41
> I have both tcp and udp transport enabled 
> Here is the lsof -ni :5060 output 
> asterisk 2878 asterisk  613r  IPv4 40060683      0t0  TCP 172.20.255.41:52381->10.100.210.110:sip (ESTABLISHED)
> asterisk 2878 asterisk  528u  IPv4 29757779      0t0  TCP 172.20.255.41:55627->10.200.14.29:sip (ESTABLISHED)
> asterisk 2878 asterisk  530u  IPv4 19211854      0t0  TCP 172.20.255.40:sip->10.100.157.32:49227 (ESTABLISHED)
>  sip show settings
> Global Settings:
> ----------------
>   UDP Bindaddress:        172.20.255.40:5060
>   TCP SIP Bindaddress:    172.20.255.40:5060



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