Hi folks...
    I'm configuring Firewall in the server running Conectiva Linux 6.0
(Brazil)
and I already configured to accept connections in the ports:
netbios-ns      137/tcp                         # NETBIOS Name Service
netbios-ns      137/udp
netbios-dgm     138/tcp                         # NETBIOS Datagram Service
netbios-dgm     138/udp
netbios-ssn     139/tcp                         # NETBIOS session service
netbios-ssn     139/udp
    I'm using the IPCHAINS and I configured in this way:
ipchains -A input  -i $EXTERNAL_INTERFACE \
-s $ANYWHERE $NETBIOSPORTS -p tcp \
-d $IPADDR $NETBIOSPORTS -j ACCEPT
ipchains -A output -i $EXTERNAL_INTERFACE \
-s $IPADDR $NETBIOSPORTS -p tcp \
-d $ANYWHERE $NETBIOSPORTS -j ACCEPT
ipchains -A input  -i $EXTERNAL_INTERFACE \
-s $ANYWHERE $NETBIOSPORTS -p udp \
-d $IPADDR $NETBIOSPORTS -j ACCEPT
ipchains -A output -i $EXTERNAL_INTERFACE \
-s $IPADDR $NETBIOSPORTS -p udp \
-d $ANYWHERE $NETBIOSPORTS -j ACCEPT
Please, if someone knows what is happen, please, anwser me...
Thanks...
                   Leandro Melo de Sales.
CEFET/AL - Centro Federal de Educa??o Tecnol?gica de Alagoas
    Estagi?rio GTI - Ger?ncia de Tecnologia da Informa??o
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