[asterisk-bugs] [JIRA] (ASTERISK-26006) Show offending IP for wrong TLS usage in logs

[Rusty Newton (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-26006?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Rusty Newton updated ASTERISK-26006:
------------------------------------

    Status: Open  (was: Triage)

> Show offending IP for wrong TLS usage in logs
> ---------------------------------------------
>
>                 Key: ASTERISK-26006
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-26006
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Channels/chan_sip/TCP-TLS, Core/Logging
>    Affects Versions: 13.8.2
>         Environment: Arch Linux, KVM
>            Reporter: Oleksandr Natalenko
>            Severity: Minor
>
> Some tricky attackers could try to use Asterisk TLS port as HTTP/HTTPS proxy. Of course, that won't work for them, but the log is polluted with the following warnings and errors:
> {code}
> [May 10 14:21:21] ERROR[19119]: tcptls.c:609 handle_tcptls_connection: Problem setting up ssl connection: error:00000000:lib(0):func(0):reason(0)
> [May 10 14:21:21] WARNING[19119]: tcptls.c:684 handle_tcptls_connection: FILE * open failed!
> [May 10 14:21:21] ERROR[19141]: tcptls.c:609 handle_tcptls_connection: Problem setting up ssl connection: error:1407609B:SSL routines:SSL23_GET_CLIENT_HELLO:https proxy request
> [May 10 14:21:21] WARNING[19141]: tcptls.c:684 handle_tcptls_connection: FILE * open failed!
> {code}
> It would be nice to see offending IP here to feed the log to something like fail2ban to have attackers banned.



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