[OpenSIPS-Devel] [ opensips-Bugs-2076632 ] nathelper causing SIP syntax error

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Bugs item #2076632, was opened at 2008-08-26 20:14
Message generated for change (Comment added) made by norm_brandinger
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Category: modules
Group: trunk
Status: Open
Resolution: None
Priority: 7
Private: No
Submitted By: Norm Brandinger (norm_brandinger)
Assigned to: Nobody/Anonymous (nobody)
Summary: nathelper causing SIP syntax error

Initial Comment:
The following section of a trace shows that there is an extra CRLF in front of the nortpproxy line.

There was some new logic recently added to nathelper.c around line 1672 that might have caused this problem

<snip>
Call-ID: MzQwM2M4NTAyYTJmZDRiNjAyYzRiYTMwODMwNzFjZDg..
CSeq: 2 INVITE.
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY, MESSAGE, SUBSCRIBE, INFO.
Content-Type: application/sdp.
User-Agent: X-Lite release 1014k stamp 47051.
Content-Length: 380.
.
v=0.
o=- 0 2 IN IP4 192.168.1.198.
s=CounterPath X-Lite 3.0.
c=IN IP4 74.55.77.234.
t=0 0.
m=audio 35042 RTP/AVP 100 106 0 105 98 8 3 101.
a=fmtp:101 0-15.
a=rtpmap:100 SPEEX/16000.
a=rtpmap:106 SPEEX-FEC/16000.
a=rtpmap:105 SPEEX-FEC/8000.
a=rtpmap:98 iLBC/8000.
a=rtpmap:101 telephone-event/8000.
a=alt:1 1 : YP2JqA3O Sml1xtrX 192.168.1.198 1562.
a=sendrecv.
.a=nortpproxy:yes.

</snip>

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>Comment By: Norm Brandinger (norm_brandinger)
Date: 2008-08-27 12:04

Message:
Logged In: YES 
user_id=1786021
Originator: YES

Bogdan,

Yes,  that change appears to be where the new logic was introduced.

In my environment, it's causing problems.  

I've found that some proxies are more forgiving to this than others (some
accept this request and others reject it). This may explain why the issue
was not immediately detected by the community.

Regards,
Norm


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Comment By: Bogdan-Andrei Iancu (bogdan_iancu)
Date: 2008-08-27 11:49

Message:
Logged In: YES 
user_id=1275325
Originator: NO

Hi Norman,

You refer to this change ?
http://opensips.svn.sourceforge.net/viewvc/opensips?view=rev&revision=4262

Regards,
Bogdan

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