[Serusers] REGISTER loops from specific location

[Iqbal]

can ser send a message back to you, run ngrep on ur machine and see 
whathappens after ser has received ur INVITE, because I am guessing it 
might be a FW in between somewhere,

Iqbal

Mark Jeftovic wrote:

>
> Hi folks, I was experimenting with SER awhile back and am now 
> revisiting it.
>
> I've just setup a SER installation using the latest debian packages on 
> a server outside of our office firewall on a public IP address.
>
> From home, my laptop on a private IP behind a linksys router/firewall 
> can login/register with my SER server fine. It can also login/register 
> into my iptel.org account as well.
>
> Then when I get to the office, behind our firewall, I have problems.
> I can still login/register my iptel.org account from my laptop on a 
> private IP behind the office firewall, but when I try to log into the 
> SER server I setup it seems to go into a loop (see logs below).
>
> I'm using stunserver.org in all cases.
>
> I wonder about the line pre_auth(): Credentials with given realm not 
> found but then it works fine using the same login info from home.
>
> Also, when all this gives up my softphone says:
>
> Registration rejected.
> Response:Server could not be reached, or it did not respond.
>
> Any ideas appreciated.
>
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]: SIP Request:
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]:  method:  <REGISTER>
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]:  uri:     
> <sip:sip.example.org>
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]:  version: <SIP/2.0>
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]: parse_headers: flags=1
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]: end of header reached, state=5
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]: parse_headers: Via found, 
> flags=1
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]: parse_headers: this is the 
> first vi
> a
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]: After parse_msg...
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]: preparing to run routing 
> scripts...
>
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]: DEBUG : is_maxfwd_present: 
> searchin
> g for max_forwards header
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]: parse_headers: flags=128
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]: end of header reached, state=8
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]: DEBUG: get_hdr_field: <To> 
> [28]; ur
> i=[sip:markjr at sip.example.org]
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]: DEBUG: to body 
> [sip:markjr at sip.easy
> dns.org^M ]
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]: get_hdr_field: cseq <CSeq>: 
> <142240
> 54> <REGISTER>
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]: DEBUG: get_hdr_body : 
> content_lengt
> h=0
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]: found end of header
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]: DEBUG: is_maxfwd_present: 
> max_forwa
> rds header not found!
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]: end of header reached, state=8
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]: DEBUG: get_hdr_field: <To> 
> [28]; ur
> i=[sip:markjr at sip.example.org]
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]: DEBUG: to body 
> [sip:markjr at sip.easy
> dns.org^M ]
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]: get_hdr_field: cseq <CSeq>: 
> <142240
> 54> <REGISTER>
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]: DEBUG: get_hdr_body : 
> content_lengt
> h=0
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]: found end of header
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]: DEBUG: is_maxfwd_present: 
> max_forwa
> rds header not found!
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]: end of header reached, state=8
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]: parse_headers: flags=256
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]: find_first_route(): No 
> Route header
> s found
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]: loose_route(): There is no 
> Route HF
>
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]: check_self - checking if 
> host==us:
> 15==9 &&  [sip.example.org] == [127.0.0.1]
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]: check_self - checking if 
> port 5060
> matches port 5060
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]: check_self - checking if 
> host==us:
> 15==13 &&  [sip.example.org] == [66.207.199.42]
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]: check_self - checking if 
> port 5060
> matches port 5060
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]: DBUG: entering REGISTER branch
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]: parse_headers: flags=4096
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]: pre_auth(): Credentials 
> with given realm not found
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]: build_auth_hf(): 
> 'WWW-Authenticate:
>  Digest realm="sip.example.org", 
> nonce="42cacdeb905244dcc9e7ebc71f60fb5aaa658faf"^M '
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]: parse_headers: flags=-1
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]: 
> check_via_address(66.207.199.34, 19
> 2.168.1.18, 0)
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]: DEBUG:destroy_avp_list: 
> destroing l
> ist (nil)
> Jul  5 14:09:03 tmda /usr/sbin/ser[21028]: receive_msg: cleaning up
>
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