[Serusers] fed up and need guidance

Jan Janak jan at iptel.org
Wed Apr 16 17:38:44 CEST 2003


If the proxy you mention can put public IP of the NAT int Record-Route
and received parameter into Via then it could work, but I am not aware
of such a proxy.

 Jan.

On 16-04 16:28, Mat Harris wrote:
> what about running some sort of sip proxy on the firewalls?
> 
> i have seen a few on freshmeat etc, but have no idea yes or no.
> 
> On Wed, Apr 16, 2003 at 05:21:32PM +0200, Jan Janak wrote:
> > OK, there is no addRecordRoute in your config script so you will have to
> > add it in config files of BOTH SIP servers. Simply add addRecordRoute()
> > just before line containing if(!t_relay()) {...
> > 
> > Without addRecordRoute() NOTIFY messages will be send directly from one
> > UA to the other and your firewall will block it.
> > 
> > But it will still not handle responses properly. To do that you will
> > have to put public IP of NAT box into Via and into Record-Route headers
> > and this is currently under development, I recommend you to wait for the
> > next release.
> > 
> >   Jan.
> > 
> > On 16-04 15:09, Mat Harris wrote:
> > > On Wed, Apr 16, 2003 at 03:58:37PM +0200, Jan Janak wrote:
> > > > Hello,
> > > > 
> > > > Do you have record routing enabled ? (You must have rewriteFromRoute()
> > > > and addRecordRoute() in your script). Please send us as much information
> > > > as possible (ser configs, ser logs, message dumps etc..)
> > > > 
> > > >   Jan.
> > > > 
> > > 
> > > hi, thanks for the quick response, its great of you to help out :)
> > > 
> > > ok here's a summary of all the probs.
> > > 
> > > using msn messenger i can connect to the ser server at my house from my home
> > > lan. i cannot connect to the server at work nor can i connect from work to
> > > my house.
> > > 
> > > if i use sipsack from the server itself i get
> > > 
> > > [3:03pm]maiden:~% /usr/local/bin/sipsak-0.8.1/sipsak -T -s \
> > > sip:matthewh at genestate.com
> > > warning: IP extract from warning activated to be more informational
> > > 0: 10.194.217.5 (0.972 ms) SIP/2.0 483 Too Many Hops
> > > 1: 10.194.217.5 (7.596 ms) SIP/2.0 483 Too Many Hops
> > > 2: 10.194.217.5 (11.760 ms) SIP/2.0 483 Too Many Hops
> > > 3: 10.194.217.5 (18.771 ms) SIP/2.0 483 Too Many Hops
> > > 4: 10.194.217.5 (26.441 ms) SIP/2.0 483 Too Many Hops
> > > 5: 10.194.217.5 (33.709 ms) SIP/2.0 483 Too Many Hops
> > > 6: 10.194.217.5 (53.847 ms) SIP/2.0 483 Too Many Hops
> > > 7: 10.194.217.5 (66.244 ms) SIP/2.0 483 Too Many Hops
> > > 8: 10.194.217.5 (76.296 ms) SIP/2.0 483 Too Many Hops
> > > 9: 10.194.217.5 (87.163 ms) SIP/2.0 483 Too Many Hops
> > > 
> > > and that goes on forever. it just times out if i do the -vv option.
> > > 
> > > all the while this is going on, i get messages like these in the message
> > > log:
> > > 
> > > Apr 16 14:33:56 maiden ./ser[2342]: ERROR: get_hdr_field: bad body for
> > > <User-Agent>(4194304)
> > > Apr 16 14:33:56 maiden ./ser[2342]: ERROR: bad header  field
> > > Apr 16 14:33:56 maiden ./ser[2342]: ERROR: build_res_buf_from_sip_req: alas,
> > > parse_headers failed
> > > Apr 16 14:33:56 maiden ./ser[2345]: ERROR: get_hdr_field: bad body for
> > > <User-Agent>(4194304)
> > > Apr 16 14:33:56 maiden ./ser[2345]: ERROR: bad header  field
> > > Apr 16 14:33:56 maiden ./ser[2345]: ERROR: build_res_buf_from_sip_req: alas,
> > > parse_headers failed
> > > Apr 16 14:33:58 maiden ./ser[2343]: ERROR: get_hdr_field: bad body for
> > > <User-Agent>(4194304)
> > > Apr 16 14:33:58 maiden ./ser[2343]: ERROR: bad header  field
> > > Apr 16 14:33:58 maiden ./ser[2343]: ERROR: build_res_buf_from_sip_req: alas,
> > > parse_headers failed
> > > 
> > > i have posted my config to my site
> > > (http://www.genestate.com/debug/sip/ser.cfg)
> > > 
> > > i have not taken any special steps as far as firewall routing or anything
> > > like that other than forwarding port 5060 as i said previously.
> > > 
> > > I do not know anything about the config directives you just spoke of so I do
> > > not know how to answer you.
> > > 
> > > i think the beast thing would be for me to start from scratch and do it
> > > properly with help from someone who knows more that me as I have probably
> > > screwed this attemp :)
> > > 
> > > thanks again
> > > 
> > > -- 
> > > Mat Harris			OpenGPG Public Key ID: C37D57D9
> > > mat.harris at genestate.com	www.genestate.com	
> > 
> > 
> 
> 
> 
> -- 
> Mat Harris			OpenGPG Public Key ID: C37D57D9
> mat.harris at genestate.com	www.genestate.com	


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