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mon routeur Cisco 801 (dial-up ISDN) ne coupe plus sa connexion vers Internet apres 3 minutes d'inactivite.

1 réponse
Avatar
el
Salut à tous,

à cause de ceci ci-dessous, mon routeur Cisco 801 (dial-up ISDN) ne coupe
plus sa connexion vers Internet après 3 minutes d'inactivité.
Est-ce lié à des problèmes de sécurité, de packets entrant, ...

Que pourrais-je faire ?

Merci d'avance pour vos avis.
El.


00:54:46: TCP: sending RST, seq 0, ack 3167472693
00:54:46: TCP: sent RST to 62.4.135.227:3232 from 62.4.155.2:135
00:54:48: TCP: connection attempt to port 135
00:54:48: TCP: sending RST, seq 0, ack 1501514974
00:54:48: TCP: sent RST to 62.4.151.59:2787 from 62.4.155.2:135
00:54:49: TCP: connection attempt to port 135
00:54:49: TCP: sending RST, seq 0, ack 1501514974
00:54:49: TCP: sent RST to 62.4.151.59:2787 from 62.4.155.2:135
00:54:49: TCP: connection attempt to port 135
00:54:49: TCP: sending RST, seq 0, ack 1501514974
00:54:49: TCP: sent RST to 62.4.151.59:2787 from 62.4.155.2:135
00:57:04: TCP: connection attempt to port 135
00:57:04: TCP: sending RST, seq 0, ack 640326852
00:57:04: TCP: sent RST to 62.4.152.105:3119 from 62.4.155.2:135
00:57:05: TCP: connection attempt to port 135
00:57:05: TCP: sending RST, seq 0, ack 640326852
00:57:05: TCP: sent RST to 62.4.152.105:3119 from 62.4.155.2:135
00:57:06: TCP: connection attempt to port 135
00:57:06: TCP: sending RST, seq 0, ack 640326852
00:57:06: TCP: sent RST to 62.4.152.105:3119 from 62.4.155.2:135

1 réponse

Avatar
Thibaut Maquet
Salut,

ce sont vraisemblablement des tentatives de reproduction du ver Blaster: j'en ai aussi
plein mes logs:

Packet log: input DENY eth0 PROTO=6 212.9.15.76:4984 192.168.1.2:135 LH S=0x00 Ip81 F=0x4000 T6 SYN (#24)
Packet log: input DENY eth0 PROTO=6 212.9.15.76:4984 192.168.1.2:135 LH S=0x00 Iu59 F=0x4000 T6 SYN (#24)
Packet log: input DENY eth0 PROTO=6 212.9.15.76:4984 192.168.1.2:135 LH S=0x00 Iƒ24 F=0x4000 T6 SYN (#24)
Packet log: input DENY eth0 PROTO=6 212.9.8.6:4453 192.168.1.2:135 LH S=0x00 I‚89 F=0x4000 T4 SYN (#24)
Packet log: input DENY eth0 PROTO=6 212.9.8.6:4453 192.168.1.2:135 LH S=0x00 I‡15 F=0x4000 T4 SYN (#24)
Packet log: input DENY eth0 PROTO=6 212.9.8.6:4453 192.168.1.2:135 LH S=0x00 I•11 F=0x4000 T4 SYN (#24)
Packet log: input DENY eth0 PROTO=6 217.228.9.20:1782 192.168.1.2:4128 LH S=0x00 IF61 F=0x4000 T6 SYN (#24)

Cordialement
Thibaut Maquet
www.pagasa.net