RV: failure delivery
Dsculpen que los moleste pero estoy recibiendo en forma permanente
mensajes de paquetes dropeados y me gustaría saber si a alguien se le
ocurre de que son y con que regla filtrarlos si no son importantes.
Tengo una red domiciliaria con la que comparto una conecci=F3n ADSL con
algunos vecinos, El server es un woody con iptables el firewall que
tengo configurado lo saque de un script que pueden ver en:
http://www.linuxguruz.org/iptables/scripts/rc.firewall_023.txt
El log me está tirando esto
Apr 11 09:21:32 debian kernel: fp=3DTCP:1 a=3DDROP IN=3Dppp0 OUT=3D =
MAC=3D
SRC=3D151.36.47.206 DST=3D200.42.78.151 LEN=3D48 TOS=3D0x00 PREC=3D0x00
=
TTL=3D116
ID=3D9805 DF PROTO=3DTCP SPT=3D2690 DPT=3D6346 WINDOW=3D16384 RES=3D0x00
=
SYN URGP=3D0
Apr 11 09:21:36 debian kernel: fp=3DTCP:1 a=3DDROP IN=3Dppp0 OUT=3D =
MAC=3D
SRC=3D151.36.47.206 DST=3D200.42.78.151 LEN=3D48 TOS=3D0x00 PREC=3D0x00
=
TTL=3D116
ID=3D10142 DF PROTO=3DTCP SPT=3D2690 DPT=3D6346 WINDOW=3D16384 =
RES=3D0x00 SYN URGP=3D0
Apr 11 09:21:37 debian kernel: fp=3DBADFLAG:1 a=3DDROP IN=3Dppp0 OUT=3D
=
MAC=3D
SRC=3D210.85.3.133 DST=3D200.42.78.151 LEN=3D40 TOS=3D0x00 PREC=3D0x00 =
TTL=3D20
ID=3D39426 PROTO=3DTCP SPT=3D21 DPT=3D21 WINDOW=3D1028 RES=3D0x00 SYN =
FIN URGP=3D0
Apr 11 09:21:41 debian kernel: fp=3DTCP:1 a=3DDROP IN=3Dppp0 OUT=3D =
MAC=3D
SRC=3D151.36.47.206 DST=3D200.42.78.151 LEN=3D48 TOS=3D0x00 PREC=3D0x00
=
TTL=3D116
ID=3D10811 DF PROTO=3DTCP SPT=3D2690 DPT=3D6346 WINDOW=3D16384 =
RES=3D0x00 SYN URGP=3D0
Apr 11 09:21:43 debian kernel: fp=3DTCP:1 a=3DDROP IN=3Dppp0 OUT=3D =
MAC=3D
SRC=3D24.169.74.4 DST=3D200.42.78.151 LEN=3D48 TOS=3D0x00 PREC=3D0x00 =
TTL=3D109
ID=3D34976 DF PROTO=3DTCP SPT=3D4121 DPT=3D6346 WINDOW=3D16384 =
RES=3D0x00 SYN URGP=3D0
Apr 11 09:21:46 debian kernel: fp=3DTCP:1 a=3DDROP IN=3Dppp0 OUT=3D =
MAC=3D
SRC=3D24.169.74.4 DST=3D200.42.78.151 LEN=3D48 TOS=3D0x00 PREC=3D0x00 =
TTL=3D109
ID=3D35026 DF PROTO=3DTCP SPT=3D4121 DPT=3D6346 WINDOW=3D16384 =
RES=3D0x00 SYN URGP=3D0
Apr 11 09:21:51 debian kernel: fp=3DTCP:1 a=3DDROP IN=3Dppp0 OUT=3D =
MAC=3D
SRC=3D24.216.195.114 DST=3D200.42.78.151 LEN=3D1452 TOS=3D0x00 =
PREC=3D0x00 TTL=3D38
ID=3D21875 DF PROTO=3DTCP SPT=3D6346 DPT=3D3785 WINDOW=3D33888 =
RES=3D0x00 ACK URGP=3D0
Apr 11 09:21:52 debian kernel: fp=3DTCP:1 a=3DDROP IN=3Dppp0 OUT=3D =
MAC=3D
SRC=3D24.169.74.4 DST=3D200.42.78.151 LEN=3D48 TOS=3D0x00 PREC=3D0x00 =
TTL=3D109
ID=3D35124 DF PROTO=3DTCP SPT=3D4121 DPT=3D6346 WINDOW=3D16384 =
RES=3D0x00 SYN URGP=3D0
La IP 200.42.78.151 por lo que puedo ver en el whois es de telefónica,
si bien el servicio me lo da ciudad se rutea por telefónica así que =
no
habría problema.
El tema es por que me llegan a mi estos paquetes y como puedo evitarlos.
Gracias.
Pd: Acá les mando el whois por si les interesa
whois 200.42.78.151
Prima S.A. (NETBLK-PRIMA-BLK-1)
Lima 1261
Buenos Aires, 1138
AR
Netname: PRIMA-BLK-1
Netblock: 200.42.0.0 - 200.42.127.255
Maintainer: PRIA
Coordinator:
Fernandez, Miguel (MF127-ARIN) mfdez@prima.com.ar
54-11-4370-0073
Domain System inverse mapping provided by:
O200.PRIMA.COM.AR 200.42.0.108
O2000.PRIMA.COM.AR 200.42.0.109
Record last updated on 15-Mar-2000.
Database last updated on 10-Apr-2002 19:59:00 EDT.
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