Hola,
desde hace tiempo que sufro cortes. Mas los findes de semana, que los laborables, sobretodo el domingo.
Yo creia que se debia a la cantidad de conexiones, que afectaban a la calidad de mi conexión.
Pero desde hace 1 semana tengo el Comtrend y hoy mirando el log me encuentro con esto:
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Jan 1 04:31:51 user alert klogd: Intrusion -> IN=ppp_8_35_1 OUT= MAC= SRC=xx.219.2.152 DST=xx.219.178.223 LEN=48 TOS=0x00 PREC=0x00 TTL=124 ID=21381 DF PROTO=TCP SPT=1478 DPT=135 WINDOW=16384 RES=0x00 SYN URGP=0
Jan 1 04:39:33 user crit klogd: ADSL link down
Jan 1 04:39:37 daemon crit pppd[420]: Clear IP addresses. Connection DOWN.
Jan 1 04:39:37 daemon crit pppd[420]: Clear IP addresses. PPP connection DOWN.
Jan 1 04:39:40 user crit klogd: ADSL G.994 training
Jan 1 04:39:46 user crit klogd: ADSL G.992 started
Jan 1 04:39:50 user crit klogd: ADSL G.992 channel analysis
Jan 1 04:39:54 user crit klogd: ADSL G.992 message exchange
Jan 1 04:39:54 user crit klogd: ADSL link up, interleaved, us=762, ds=6106
Jan 1 04:39:58 daemon crit pppd[420]: PPP server detected.
Jan 1 04:39:58 daemon crit pppd[420]: PPP session established.
Jan 1 04:40:01 daemon crit pppd[420]: PPP LCP UP.
Jan 1 04:40:01 daemon crit pppd[420]: Received valid IP address from server. Connection UP.
Jan 1 04:40:30 user crit klogd: OAM loopback response not received on VPI/VCI 8/35.
Jan 1 04:40:31 user crit klogd: OAM loopback response not received on VPI/VCI 8/35.
Jan 1 04:40:46 user alert klogd: Intrusion -> IN=ppp_8_35_1 OUT= MAC= SRC=xx.46.181.57 DST=xx.219.179.119 LEN=48 TOS=0x00 PREC=0x00 TTL=114 ID=42353 DF PROTO=TCP SPT=1217 DPT=14942 WINDOW=16384 RES=0x00 SYN URGP=0
Jan 1 04:40:49 user alert klogd: Intrusion -> IN=ppp_8_35_1 OUT= MAC= SRC=xx.46.181.57 DST=xx.219.179.119 LEN=48 TOS=0x00 PREC=0x00 TTL=114 ID=42363 DF PROTO=TCP SPT=1217 DPT=14942 WINDOW=16384 RES=0x00 SYN URGP=0
Jan 1 04:40:55 user alert klogd: Intrusion -> IN=ppp_8_35_1 OUT= MAC= SRC=xx.46.181.57 DST=xx.219.179.119 LEN=48 TOS=0x00 PREC=0x00 TTL=114 ID=42380 DF PROTO=TCP SPT=1217 DPT=14942 WINDOW=16384 RES=0x00 SYN URGP=0
Jan 1 04:41:44 user alert klogd: Intrusion -> IN=ppp_8_35_1 OUT= MAC= SRC=87.219.198.101 DST=xx.219.179.119 LEN=48 TOS=0x00 PREC=0x00 TTL=123 ID=61507 DF PROTO=TCP SPT=3889 DPT=135 WINDOW=16384 RES=0x00 SYN URGP=0
Jan 1 04:42:11 user alert klogd: Intrusion -> IN=ppp_8_35_1 OUT= MAC= SRC=xx.219.81.42 DST=xx.219.179.119 LEN=48 TOS=0x00 PREC=0x00 TTL=123 ID=30942 DF PROTO=TCP SPT=3373 DPT=445 WINDOW=16384 RES=0x00 SYN URGP=0
Jan 1 04:50:03 user crit klogd: ADSL link down
Jan 1 04:50:05 daemon crit pppd[420]: Clear IP addresses. Connection DOWN.
Jan 1 04:50:05 daemon crit pppd[420]: Clear IP addresses. PPP connection DOWN.
Jan 1 04:50:09 user crit klogd: ADSL G.994 training
Jan 1 04:50:15 user crit klogd: ADSL G.992 started
Jan 1 04:50:19 user crit klogd: ADSL G.992 channel analysis
Jan 1 04:50:24 user crit klogd: ADSL link up, interleaved, us=808, ds=6178
Jan 1 04:50:27 daemon crit pppd[420]: PPP server detected.
Jan 1 04:50:27 daemon crit pppd[420]: PPP session established.
Jan 1 04:50:30 daemon crit pppd[420]: PPP LCP UP.
Jan 1 04:50:30 daemon crit pppd[420]: Received valid IP address from server. Connection UP.
Jan 1 04:50:32 user alert klogd: Intrusion -> IN=ppp_8_35_1 OUT= MAC= SRC=xx.219.198.101 DST=xx.219.179.11 LEN=48 TOS=0x00 PREC=0x00 TTL=123 ID=18412 DF PROTO=TCP SPT=4036 DPT=135 WINDOW=16384 RES=0x00 SYN URGP=0
Jan 1 04:50:34 user alert klogd: Intrusion -> IN=ppp_8_35_1 OUT= MAC= SRC=xxx.193.92.110 DST=xx.219.179.11 LEN=48 TOS=0x00 PREC=0x00 TTL=108 ID=18950 DF PROTO=TCP SPT=6733 DPT=6881 WINDOW=65535 RES=0x00 SYN URGP=0
Jan 1 04:50:36 user alert klogd: Intrusion -> IN=ppp_8_35_1 OUT= MAC= SRC=xx.154.189.58 DST=xx.219.179.11 LEN=48 TOS=0x00 PREC=0x00 TTL=113 ID=30185 DF PROTO=TCP SPT=3236 DPT=6881 WINDOW=65535 RES=0x00 SYN URGP=0
Jan 1 04:50:37 user alert klogd: Intrusion -> IN=ppp_8_35_1 OUT= MAC= SRC=xxx.74.46.237 DST=xx.xxx179.11 LEN=60 TOS=0x00 PREC=0x00 TTL=49 ID=61558 PROTO=TCP SPT=1619 DPT=6881 WINDOW=5840 RES=0x00 SYN URGP=0
Jan 1 04:50:37 user alert klogd: Intrusion -> IN=ppp_8_35_1 OUT= MAC= SRC=xxx.xxx.92.110 DST=xx.xx.179.11 LEN=48 TOS=0x00 PREC=0x00 TTL=108 ID=18961 DF PROTO=TCP SPT=6733 DPT=6881 WINDOW=65535 RES=0x00 SYN URGP=0
Jan 1 04:50:47 user crit klogd: OAM loopback response not received on VPI/VCI 8/35.
Jan 1 04:50:51 user crit klogd: OAM loopback response not received on VPI/VCI 8/35.
Jan 1 04:51:21 user crit klogd: OAM loopback response not received on VPI/VCI 8/35.
Jan 1 04:51:22 user crit klogd: OAM loopback response not received on VPI/VCI 8/35.
Jan 1 04:51:38 user crit klogd: OAM loopback response not received on VPI/VCI 8/35.
Jan 1 04:51:39 user crit klogd: OAM loopback response not received on VPI/VCI 8/35.
Jan 1 04:58:44 user crit klogd: OAM loopback response not received on VPI/VCI 8/35.
Jan 1 04:58:45 user crit klogd: OAM loopback response not received on VPI/VCI 8/35.
Jan 1 04:59:33 user crit klogd: OAM loopback response not received on VPI/VCI 8/35.
Jan 1 04:59:34 user crit klogd: OAM loopback response not received on VPI/VCI 8/35.
Jan 1 05:00:35 user alert klogd: Intrusion -> IN=ppp_8_35_1 OUT= MAC= SRC=xx.10.1xx.236 DST=xx.xxx.xxx.11 LEN=48 TOS=0x00 PREC=0x00 TTL=106 ID=14265 DF PROTO=TCP SPT=4336 DPT=6881 WINDOW=64800 RES=0x00 SYN URGP=0
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Podria, entonces, ser la causa de mis desconexiones atakes externos?
Hay alguna solucion? No he encontrado el firewall de router...
Asias