[OpenSIPS-Users] Strange SIP packets

Alexander goal81 at gmail.com
Fri Dec 25 07:46:21 CET 2009


  Hello all!

  Can anyone explain me, what is this:

09:38:21.957826 IP (tos 0x0, ttl 118, id 12882, offset 0, flags [none],
proto: UDP (17), length: 319) 194.154.66.29.28536 > srv.server.ru.sip: SIP,
length: 291
        SIP/2.0 603
\302e\370\267i\016\3073\231V\354a:\200(s\200\0212\025\231JU+\011
l\005\313N1w.12\326\26599\26150qi\215bra1c\342\3260\356\312To\317~
s"\027\361\002\3024.";g\010\264\2246\0139\32428536KlE\0
17gQ\31252\24335@
)G\237\343re\012:7<s\177p:\352eepalif\305\2346\322\235P17\376\223\3770.9\255/;ta\322=3\214d2bb80\000\260"a\217\365-I\266%(\027cQ\017\250e7\311\303\240\233\337\312\320%76\210\30525?\3176`\240
io7.y\360O.\336\010\036\012C\036eq
r\342\373UO5A\204\211\024yNser\251\302ue\203&: X6\356\314\242\246
r\350\317eqs\246\232S003k\251\275t\357\032s
51\2002\220\313\275Co\227\363e9t-`\317\371\177\350\316\311 \33
1\210\373\015\301

  It's SIP packet's body intercepted by tcpdump. OpenSIPS blames on such
packets - "bad body", errors in parse_msg...
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