[Serusers] SIP Torture Tests Using Sip Foundry SFTF

[Java Rockx]

Thanks. That make sense.

Regards,
Paul


On Mon, 28 Mar 2005 21:42:29 +0200, Jiri Kuthan <jiri at iptel.org> wrote:
> At 06:48 AM 3/28/2005, Java Rockx wrote:
> >Hi All.
> >
> >I'm doing some validation checks against my SIP proxy (ser-0.9.1)
> >using SFTF http://www.sipfoundry.org/sftf/
> >
> >I'm seeing that some tests are making further through my ser.cfg than I'd like.
> >
> >For example, SFTF test case214 sends an INVITE message to SER with an
> >invalid Content-Type header.
> >
> >SER replies with a 404 User Not Found, which is technically correct,
> >since the the destination doesn't exist, but SFTF complains that SER
> >should have returned a  415 Unsupported Media Type error instead.
> 
> That's correct. SFTF aims at testing end-devices. proxy servers are not
> supposed to process body, 404 is correct answer in this context.
> 
> 
> >So my question is this; even though ser rejected the SIP message,
> >shouldn't it have performed some checks on the message to validate
> >things like Content-Type, R-URI, etc to make sure the message is not
> >corrupt or invalid?
> 
> no. Extensibility is a feature, not a bug.
> 
> 
> >If not, does it make sense to do so before letting a SIP message get
> >too far in to my ser.cfg?
> >
> >I did find this article in the archives which seems to indicate that
> >ser should [happliy] ignore things it doesn't understand - but is this
> >safe?
> 
> A good proxy server should intervene with signaling as litte as it
> can.
> 
> -jiri
> 
>