[asterisk-bugs] [JIRA] (ASTERISK-24506) 403 Forbidden Fix for Big Loaded systems

HZMI8gkCvPpom0tM (JIRA) noreply at issues.asterisk.org
Sat Nov 8 05:02:30 CST 2014


     [ https://issues.asterisk.org/jira/browse/ASTERISK-24506?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

HZMI8gkCvPpom0tM updated ASTERISK-24506:
----------------------------------------

    Status: Triage  (was: Waiting for Feedback)

> 403 Forbidden Fix for Big Loaded systems 
> -----------------------------------------
>
>                 Key: ASTERISK-24506
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-24506
>             Project: Asterisk
>          Issue Type: Improvement
>      Security Level: None
>          Components: Channels/chan_sip/General
>    Affects Versions: 13.0.0-beta2, 13.0.0-beta3, 13.0.0
>            Reporter: HZMI8gkCvPpom0tM
>            Assignee: HZMI8gkCvPpom0tM
>         Attachments: chan_sip403.patch, new.patch
>
>
> On big loaded systems with more than 40k subscribers 403 Forbidden (Bad auth) is only way to detect and block username scans which can create REALTIME database deny of service. As practice show - for frauders absolutely no matter is it 403 Forbidden or 403 Forbidden (Bad auth) they continue to send hundreds thousands registrations and invites with different credentials until finish their list.  Usage 403 Forbidden (Bad auth) best style to detect such attacks and stop them on firewall side instead to pass them through whole infrastructure to database. I included patch which return back 403 Forbidden (Bad auth) in chan_sip. 



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