Re: Scans(?) 500->500 from China

[Max <max0r () digitalsamurai org>]

Just  a though, not sure if it effects all OS'
http://www.openbsd.org/errata.html

"(009: SECURITY FIX: June 9, 2000
A serious bug in isakmpd(8) policy handling wherein policy verification could
be completely bypassed in isakmpd.)"


> -----Original Message-----
> From: Incidents Mailing List [mailto:INCIDENTS () SECURITYFOCUS COM]On
> Behalf Of Ralf G. R. Bergs
> Sent: Friday, September 01, 2000 9:55 AM
> To: INCIDENTS () SECURITYFOCUS COM
> Subject: Scans(?) 500->500 from China
>
> Hi there,
>
> can anybody shed some light on what appears to be a scan to me?
>
> Sep  1 11:13:55 <my host> kernel: Packet log: input DENY atm0 PROTO=17
> 61.141.79.3:500 <my ip>:500 L=708 S=0x00 I=30431 F=0x0000 T=105 (#53)
> Sep  1 11:13:56 <my host> kernel: Packet log: input DENY atm0 PROTO=17
> 61.141.79.3:500 <my ip>:500 L=708 S=0x00 I=30439 F=0x0000 T=105 (#53)
> Sep  1 11:13:58 <my host> kernel: Packet log: input DENY atm0 PROTO=17
> 61.141.79.3:500 <my ip>:500 L=708 S=0x00 I=30447 F=0x0000 T=105 (#53)
> Sep  1 11:14:02 <my host> kernel: Packet log: input DENY atm0 PROTO=17
> 61.141.79.3:500 <my ip>:500 L=708 S=0x00 I=30470 F=0x0000 T=105 (#53)
> Sep  1 11:14:10 <my host> kernel: Packet log: input DENY atm0 PROTO=17
> 61.141.79.3:500 <my ip>:500 L=708 S=0x00 I=30515 F=0x0000 T=105 (#53)
> Sep  1 11:14:26 <my host> kernel: Packet log: input DENY atm0 PROTO=17
> 61.141.79.3:500 <my ip>:500 L=708 S=0x00 I=30603 F=0x0000 T=105 (#53)
> Sep  1 11:14:53 <my host> kernel: Packet log: input DENY atm0 PROTO=17
> 61.141.79.3:500 <my ip>:500 L=84 S=0x00 I=30719 F=0x0000 T=105 (#53)
>
> I couldn't find any meaningful info about port 500 (meaningful to me, that
> is, since "isakmp" doesn't ring a bell...)
>
> A whois query gives me the following:
>
> $ whois 61.141.79.3
>
> % Rights restricted by copyright. See
> http://www.apnic.net/db/dbcopyright.html
>
> inetnum:     61.140.0.0 - 61.143.255.255
> netname:     CHINANET-GD
> descr:       CHINANET Guangdong province network
> descr:       Data Communication Division
> descr:       China Telecom
> country:     CN
> admin-c:     CH93-AP
> tech-c:      WM12-AP
> mnt-by:      MAINT-CHINANET
> mnt-lower:   MAINT-CHINANET-GD
> changed:     hostmaster () ns chinanet cn net 20000601
> source:      APNIC
>
> person:      Chinanet Hostmaster
> address:     A12,Xin-Jie-Kou-Wai Street
> phone:       +86-10-62370437
> fax-no:      +86-10-62053995
> country:     CN
> e-mail:      hostmaster () ns chinanet cn net
> nic-hdl:     CH93-AP
> mnt-by:      MAINT-CHINANET
> changed:     hostmaster () ns chinanet cn net 20000101
> source:      APNIC
>
> person:      WU MIAN
> address:     RO.2 ZHONGSHAN,GUANGZHOU,GUANGDONG,
> address:     510080,CHINA
> phone:       +086-20-87619051
> fax-no:      +86-20-87619799
> country:     CN
> e-mail:      wumian () gdnmc guangzhou gd cn
> nic-hdl:     WM12-AP
> mnt-by:      MAINT-CHINANET-GD
> changed:     wumian () gdnmc guangzhou gd cn 19990615
> source:      APNIC
>
> I guess even if it was a hostile scan, complaining to people in China
> doesn't stop these things, does it?
>
> Thanks,
>
> Ralf
>
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