Ping impossible de win XP a Linux

hcessoune -  
Bonjour,
j'ai un reseau de deux PC, le 1er est sous Linux mandriva 2006 et le 2em sous windows XP,le l'ai relié par un cable croisé,
Linux a un adresse IP:192.168.0.1 et le windows:192.168.0.2.
lorsque je ping de Linux vers XP il s'effectue, et le ping de xp vers Linux ne s'effectue pas.
ou est le probleme?
merci par avance.
Configuration: Windows XP
Internet Explorer 6.0

4 réponses

  1. lami20j Modérateur
    Salut,

    affiche le résultat de la commande (à faire en root)
    iptables -v -L -n
    tu as quoi comme distribution?!
    1. hcessoune
      merci pour la reponse,
      j'ai la mandriva 2006.
    2. hcessoune
      @hcessounebonjour,
      merci pour la 2em fois,voila ce que j'ai comme resultat:
      [root@localhost ~]# iptables -v -L -n
      Chain AllowICMPs (2 references)
      pkts bytes target prot opt in out source destination
      0 0 ACCEPT icmp -- * * 0.0.0.0/0 0.0.0.0/0 icmp type 3 code 4
      0 0 ACCEPT icmp -- * * 0.0.0.0/0 0.0.0.0/0 icmp type 11

      Chain Drop (1 references)
      pkts bytes target prot opt in out source destination
      22 1944 RejectAuth all -- * * 0.0.0.0/0 0.0.0.0/0
      22 1944 dropBcast all -- * * 0.0.0.0/0 0.0.0.0/0
      2 56 AllowICMPs icmp -- * * 0.0.0.0/0 0.0.0.0/0
      14 1219 dropInvalid all -- * * 0.0.0.0/0 0.0.0.0/0
      14 1219 DropSMB all -- * * 0.0.0.0/0 0.0.0.0/0
      14 1219 DropUPnP all -- * * 0.0.0.0/0 0.0.0.0/0
      0 0 dropNotSyn tcp -- * * 0.0.0.0/0 0.0.0.0/0
      14 1219 DropDNSrep all -- * * 0.0.0.0/0 0.0.0.0/0

      Chain DropDNSrep (2 references)
      pkts bytes target prot opt in out source destination
      0 0 DROP udp -- * * 0.0.0.0/0 0.0.0.0/0 udp spt:53

      Chain DropSMB (1 references)
      pkts bytes target prot opt in out source destination
      0 0 DROP udp -- * * 0.0.0.0/0 0.0.0.0/0 udp dpt:135
      0 0 DROP udp -- * * 0.0.0.0/0 0.0.0.0/0 udp dpts:137:139
      0 0 DROP udp -- * * 0.0.0.0/0 0.0.0.0/0 udp dpt:445
      0 0 DROP tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:135
      0 0 DROP tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:139
      0 0 DROP tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:445

      Chain DropUPnP (2 references)
      pkts bytes target prot opt in out source destination
      0 0 DROP udp -- * * 0.0.0.0/0 0.0.0.0/0 udp dpt:1900

      Chain INPUT (policy DROP 0 packets, 0 bytes)
      pkts bytes target prot opt in out source destination
      319 19228 ACCEPT all -- lo * 0.0.0.0/0 0.0.0.0/0
      4111 5612K Ifw all -- * * 0.0.0.0/0 0.0.0.0/0
      4111 5612K eth0_in all -- eth0 * 0.0.0.0/0 0.0.0.0/0
      0 0 eth1_in all -- eth1 * 0.0.0.0/0 0.0.0.0/0
      0 0 Reject all -- * * 0.0.0.0/0 0.0.0.0/0
      0 0 LOG all -- * * 0.0.0.0/0 0.0.0.0/0 LOG flags 0 level 6 prefix `Shorewall:INPUT:REJECT:'
      0 0 reject all -- * * 0.0.0.0/0 0.0.0.0/0

      Chain FORWARD (policy DROP 0 packets, 0 bytes)
      pkts bytes target prot opt in out source destination
      0 0 eth0_fwd all -- eth0 * 0.0.0.0/0 0.0.0.0/0
      0 0 eth1_fwd all -- eth1 * 0.0.0.0/0 0.0.0.0/0
      0 0 Reject all -- * * 0.0.0.0/0 0.0.0.0/0
      0 0 LOG all -- * * 0.0.0.0/0 0.0.0.0/0 LOG flags 0 level 6 prefix `Shorewall:FORWARD:REJECT:'
      0 0 reject all -- * * 0.0.0.0/0 0.0.0.0/0

      Chain Ifw (1 references)
      pkts bytes target prot opt in out source destination
      0 0 RETURN all -- * * 0.0.0.0/0 0.0.0.0/0 set ifw_wl src
      0 0 DROP all -- * * 0.0.0.0/0 0.0.0.0/0 set ifw_bl src
      0 0 IFWLOG all -- * * 0.0.0.0/0 0.0.0.0/0 state INVALID,NEW psd weight-threshold: 10 delay-threshold: 10000 lo-ports-weight: 1 hi-ports-weight: 2 IFWLOG prefix 'SCAN'

      Chain OUTPUT (policy DROP 0 packets, 0 bytes)
      pkts bytes target prot opt in out source destination
      319 19228 ACCEPT all -- * lo 0.0.0.0/0 0.0.0.0/0
      2468 129K fw2net all -- * eth0 0.0.0.0/0 0.0.0.0/0
      0 0 fw2loc all -- * eth1 0.0.0.0/0 0.0.0.0/0
      0 0 Reject all -- * * 0.0.0.0/0 0.0.0.0/0
      0 0 LOG all -- * * 0.0.0.0/0 0.0.0.0/0 LOG flags 0 level 6 prefix `Shorewall:OUTPUT:REJECT:'
      0 0 reject all -- * * 0.0.0.0/0 0.0.0.0/0

      Chain Reject (4 references)
      pkts bytes target prot opt in out source destination
      0 0 RejectAuth all -- * * 0.0.0.0/0 0.0.0.0/0
      0 0 dropBcast all -- * * 0.0.0.0/0 0.0.0.0/0
      0 0 AllowICMPs icmp -- * * 0.0.0.0/0 0.0.0.0/0
      0 0 dropInvalid all -- * * 0.0.0.0/0 0.0.0.0/0
      0 0 RejectSMB all -- * * 0.0.0.0/0 0.0.0.0/0
      0 0 DropUPnP all -- * * 0.0.0.0/0 0.0.0.0/0
      0 0 dropNotSyn tcp -- * * 0.0.0.0/0 0.0.0.0/0
      0 0 DropDNSrep all -- * * 0.0.0.0/0 0.0.0.0/0

      Chain RejectAuth (2 references)
      pkts bytes target prot opt in out source destination
      0 0 reject tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:113

      Chain RejectSMB (1 references)
      pkts bytes target prot opt in out source destination
      0 0 reject udp -- * * 0.0.0.0/0 0.0.0.0/0 udp dpt:135
      0 0 reject udp -- * * 0.0.0.0/0 0.0.0.0/0 udp dpts:137:139
      0 0 reject udp -- * * 0.0.0.0/0 0.0.0.0/0 udp dpt:445
      0 0 reject tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:135
      0 0 reject tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:139
      0 0 reject tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp dpt:445

      Chain all2all (0 references)
      pkts bytes target prot opt in out source destination
      0 0 ACCEPT all -- * * 0.0.0.0/0 0.0.0.0/0 state RELATED,ESTABLISHED
      0 0 Reject all -- * * 0.0.0.0/0 0.0.0.0/0
      0 0 LOG all -- * * 0.0.0.0/0 0.0.0.0/0 LOG flags 0 level 6 prefix `Shorewall:all2all:REJECT:'
      0 0 reject all -- * * 0.0.0.0/0 0.0.0.0/0

      Chain dropBcast (2 references)
      pkts bytes target prot opt in out source destination
      5 629 DROP all -- * * 0.0.0.0/0 0.0.0.0/0 PKTTYPE = broadcast
      3 96 DROP all -- * * 0.0.0.0/0 0.0.0.0/0 PKTTYPE = multicast

      Chain dropInvalid (2 references)
      pkts bytes target prot opt in out source destination
      0 0 DROP all -- * * 0.0.0.0/0 0.0.0.0/0 state INVALID

      Chain dropNotSyn (2 references)
      pkts bytes target prot opt in out source destination
      0 0 DROP tcp -- * * 0.0.0.0/0 0.0.0.0/0 tcp flags:!0x17/0x02

      Chain dynamic (4 references)
      pkts bytes target prot opt in out source destination

      Chain eth0_fwd (1 references)
      pkts bytes target prot opt in out source destination
      0 0 dynamic all -- * * 0.0.0.0/0 0.0.0.0/0 state INVALID,NEW
      0 0 net2all all -- * eth1 0.0.0.0/0 0.0.0.0/0

      Chain eth0_in (1 references)
      pkts bytes target prot opt in out source destination
      22 1944 dynamic all -- * * 0.0.0.0/0 0.0.0.0/0 state INVALID,NEW
      4111 5612K net2all all -- * * 0.0.0.0/0 0.0.0.0/0

      Chain eth1_fwd (1 references)
      pkts bytes target prot opt in out source destination
      0 0 dynamic all -- * * 0.0.0.0/0 0.0.0.0/0 state INVALID,NEW
      0 0 loc2net all -- * eth0 0.0.0.0/0 0.0.0.0/0

      Chain eth1_in (1 references)
      pkts bytes target prot opt in out source destination
      0 0 dynamic all -- * * 0.0.0.0/0 0.0.0.0/0 state INVALID,NEW
      0 0 loc2fw all -- * * 0.0.0.0/0 0.0.0.0/0

      Chain fw2loc (1 references)
      pkts bytes target prot opt in out source destination
      0 0 ACCEPT all -- * * 0.0.0.0/0 0.0.0.0/0 state RELATED,ESTABLISHED
      0 0 ACCEPT all -- * * 0.0.0.0/0 0.0.0.0/0

      Chain fw2net (1 references)
      pkts bytes target prot opt in out source destination
      2182 120K ACCEPT all -- * * 0.0.0.0/0 0.0.0.0/0 state RELATED,ESTABLISHED
      286 9461 ACCEPT all -- * * 0.0.0.0/0 0.0.0.0/0

      Chain loc2fw (1 references)
      pkts bytes target prot opt in out source destination
      0 0 ACCEPT all -- * * 0.0.0.0/0 0.0.0.0/0 state RELATED,ESTABLISHED
      0 0 ACCEPT all -- * * 0.0.0.0/0 0.0.0.0/0

      Chain loc2net (1 references)
      pkts bytes target prot opt in out source destination
      0 0 ACCEPT all -- * * 0.0.0.0/0 0.0.0.0/0 state RELATED,ESTABLISHED
      0 0 ACCEPT all -- * * 0.0.0.0/0 0.0.0.0/0

      Chain net2all (2 references)
      pkts bytes target prot opt in out source destination
      4089 5610K ACCEPT all -- * * 0.0.0.0/0 0.0.0.0/0 state RELATED,ESTABLISHED
      22 1944 Drop all -- * * 0.0.0.0/0 0.0.0.0/0
      14 1219 LOG all -- * * 0.0.0.0/0 0.0.0.0/0 LOG flags 0 level 6 prefix `Shorewall:net2all:DROP:'
      14 1219 DROP all -- * * 0.0.0.0/0 0.0.0.0/0

      Chain reject (11 references)
      pkts bytes target prot opt in out source destination
      0 0 DROP all -- * * 0.0.0.0/0 0.0.0.0/0 PKTTYPE = broadcast
      0 0 DROP all -- * * 0.0.0.0/0 0.0.0.0/0 PKTTYPE = multicast
      0 0 DROP all -- * * 255.255.255.255 0.0.0.0/0
      0 0 DROP all -- * * 224.0.0.0/4 0.0.0.0/0
      0 0 REJECT tcp -- * * 0.0.0.0/0 0.0.0.0/0 reject-with tcp-reset
      0 0 REJECT udp -- * * 0.0.0.0/0 0.0.0.0/0 reject-with icmp-port-unreachable
      0 0 REJECT icmp -- * * 0.0.0.0/0 0.0.0.0/0 reject-with icmp-host-unreachable
      0 0 REJECT all -- * * 0.0.0.0/0 0.0.0.0/0 reject-with icmp-host-prohibited

      Chain shorewall (0 references)
      pkts bytes target prot opt in out source destination

      Chain smurfs (0 references)
      pkts bytes target prot opt in out source destination
      0 0 LOG all -- * * 255.255.255.255 0.0.0.0/0 LOG flags 0 level 6 prefix `Shorewall:smurfs:DROP:'
      0 0 DROP all -- * * 255.255.255.255 0.0.0.0/0
      0 0 LOG all -- * * 224.0.0.0/4 0.0.0.0/0 LOG flags 0 level 6 prefix `Shorewall:smurfs:DROP:'
      0 0 DROP all -- * * 224.0.0.0/4 0.0.0.0/0
      [root@localhost ~]#
  2. jipicy Modérateur
    Salut,

    Affiche aussi le contenu de :
    cat /proc/sys/net/ipv4/icmp_echo_ignore_all
    ;-))
    1. hcessoune
      bonjour,voila:

      [root@localhost ~]# cat /proc/sys/net/ipv4/icmp_echo_ignore_all
      0
      [root@localhost ~]#
  3. lami20j Modérateur
    Salut,

    pour tester le ping tu peux desactiver le firewall
    en root tape
    shorewall stop
    --
    106485010510997108
    1. hcessoune1
      merci,
      je l'ai desactivé pa "shorewall stop" mais ça n'a rien donner.
  4. jipicy Modérateur
    J'ai l'impression que ces soucis viennent de là, non ?
    Chain reject (11 references)
pkts bytes target prot opt in out source destination
0 0 DROP all -- * * 0.0.0.0/0 0.0.0.0/0 PKTTYPE = broadcast
0 0 DROP all -- * * 0.0.0.0/0 0.0.0.0/0 PKTTYPE = multicast
0 0 DROP all -- * * 255.255.255.255 0.0.0.0/0
0 0 DROP all -- * * 224.0.0.0/4 0.0.0.0/0
0 0 REJECT tcp -- * * 0.0.0.0/0 0.0.0.0/0 reject-with tcp-reset
0 0 REJECT udp -- * * 0.0.0.0/0 0.0.0.0/0 reject-with icmp-port-unreachable
0 0 REJECT icmp -- * * 0.0.0.0/0 0.0.0.0/0 reject-with icmp-host-unreachable
0 0 REJECT all -- * * 0.0.0.0/0 0.0.0.0/0 reject-with icmp-host-prohibited
    Je ne suis pas un spécialiste d'iptables ;-((

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