sudo ss -ap | grep LISTEN
до перетыкания провода (в том случае, когда всё работает):
LISTEN 0 5 127.0.0.1:37608 *:* users:(("GoogleTalkPlugi",3534,18))
LISTEN 0 50 127.0.0.1:mysql *:* users:(("mysqld",1255,10))
LISTEN 0 50 *:netbios-ssn *:* users:(("smbd",992,30))
LISTEN 0 50 :::netbios-ssn :::* users:(("smbd",992,28))
LISTEN 0 5 127.0.0.1:55980 *:* users:(("GoogleTalkPlugi",3534,16))
LISTEN 0 6 *:8400 *:* users:(("minidlna",1677,8))
LISTEN 0 128 :::http :::* users:(("apache2",3290,4),("apache2",1465,4),("apache2",1463,4),("apach$
LISTEN 0 5 127.0.0.1:domain *:* users:(("dnsmasq",20083,5))
LISTEN 0 128 :::51413 :::* users:(("transmission-gt",3151,17))
LISTEN 0 128 *:51413 *:* users:(("transmission-gt",3151,16))
LISTEN 0 128 127.0.0.1:ipp *:* users:(("cupsd",1088,10))
LISTEN 0 128 ::1:ipp :::* users:(("cupsd",1088,9))
LISTEN 0 128 *:17500 *:* users:(("dropbox",2554,28))
LISTEN 0 50 *:microsoft-ds *:* users:(("smbd",992,29))
LISTEN 0 50 :::microsoft-ds :::* users:(("smbd",992,27))
LISTEN 0 5 *:902 *:* users:(("vmware-authdlau",1662,8))
после перетыкания провода (когда не работает):
LISTEN 0 50 127.0.0.1:mysql *:* users:(("mysqld",1255,10))
LISTEN 0 50 *:netbios-ssn *:* users:(("smbd",11686,30))
LISTEN 0 50 ::1:32813 :::* users:(("java",17927,56))
LISTEN 0 6 *:8400 *:* users:(("minidlna",1677,8))
LISTEN 0 128 :::http :::* users:(("apache2",5579,4),("apache2",5571,4),("apache2",4279,4),("apach$
LISTEN 0 10 :::5298 :::* users:(("telepathy-salut",31598,7))
LISTEN 0 5 127.0.0.1:domain *:* users:(("dnsmasq",11263,5))
LISTEN 0 128 127.0.0.1:ipp *:* users:(("cupsd",1088,10))
LISTEN 0 128 ::1:ipp :::* users:(("cupsd",1088,9))
LISTEN 0 50 *:microsoft-ds *:* users:(("smbd",11686,29))
LISTEN 0 5 *:902 *:* users:(("vmware-authdlau",1662,8))
также после перетыкания провода sudo iptables-save:
# Generated by iptables-save v1.4.12 on Sun Oct 21 21:58:36 2012
*nat
:PREROUTING ACCEPT [152:29875]
:INPUT ACCEPT [6:468]
:OUTPUT ACCEPT [115:8022]
:POSTROUTING ACCEPT [103:6018]
COMMIT
# Completed on Sun Oct 21 21:58:36 2012
# Generated by iptables-save v1.4.12 on Sun Oct 21 21:58:36 2012
*mangle
:PREROUTING ACCEPT [3561:2656862]
:INPUT ACCEPT [3361:2627659]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [2061:217903]
:POSTROUTING ACCEPT [2049:215899]
COMMIT
# Completed on Sun Oct 21 21:58:36 2012
# Generated by iptables-save v1.4.12 on Sun Oct 21 21:58:36 2012
*filter
:INPUT DROP [2:1152]
:FORWARD DROP [0:0]
:OUTPUT DROP [12:2004]
:INBOUND - [0:0]
:LOG_FILTER - [0:0]
:LSI - [0:0]
:LSO - [0:0]
:OUTBOUND - [0:0]
-A INPUT -s 127.0.0.1/32 -p tcp -m tcp ! --tcp-flags FIN,SYN,RST,ACK SYN -j ACCEPT
-A INPUT -s 127.0.0.1/32 -p udp -j ACCEPT
-A INPUT -i lo -j ACCEPT
-A INPUT -p icmp -m limit --limit 10/sec -j ACCEPT
-A INPUT -s 224.0.0.0/8 -j DROP
-A INPUT -d 224.0.0.0/8 -j DROP
-A INPUT -s 255.255.255.255/32 -j DROP
-A INPUT -d 0.0.0.0/32 -j DROP
-A INPUT -m state --state INVALID -j DROP
-A INPUT -f -m limit --limit 10/min -j LSI
-A INPUT -i eth0 -j INBOUND
-A INPUT -j LOG_FILTER
-A INPUT -j LOG --log-prefix "Unknown Input" --log-level 6
-A FORWARD -p icmp -m limit --limit 10/sec -j ACCEPT
-A FORWARD -j LOG_FILTER
-A FORWARD -j LOG --log-prefix "Unknown Forward" --log-level 6
-A OUTPUT -s 192.168.1.8/32 -d 127.0.0.1/32 -p tcp -m tcp --dport 53 -j ACCEPT
-A OUTPUT -s 192.168.1.8/32 -d 127.0.0.1/32 -p udp -m udp --dport 53 -j ACCEPT
-A OUTPUT -o lo -j ACCEPT
-A OUTPUT -s 224.0.0.0/8 -j DROP
-A OUTPUT -d 224.0.0.0/8 -j DROP
-A OUTPUT -s 255.255.255.255/32 -j DROP
-A OUTPUT -d 0.0.0.0/32 -j DROP
-A OUTPUT -m state --state INVALID -j DROP
-A OUTPUT -o eth0 -j OUTBOUND
-A OUTPUT -j LOG_FILTER
-A OUTPUT -j LOG --log-prefix "Unknown Output" --log-level 6
-A INBOUND -p tcp -m state --state RELATED,ESTABLISHED -j ACCEPT
-A INBOUND -p udp -m state --state RELATED,ESTABLISHED -j ACCEPT
-A INBOUND -s 192.168.1.198/32 -j ACCEPT
-A INBOUND -p tcp -m tcp --dport 137:139 -j ACCEPT
-A INBOUND -p udp -m udp --dport 137:139 -j ACCEPT
-A INBOUND -p tcp -m tcp --dport 445 -j ACCEPT
-A INBOUND -p udp -m udp --dport 445 -j ACCEPT
-A INBOUND -p tcp -m tcp --dport 8400 -j ACCEPT
-A INBOUND -p udp -m udp --dport 8400 -j ACCEPT
-A INBOUND -j LSI
-A LSI -j LOG_FILTER
-A LSI -p tcp -m tcp --tcp-flags FIN,SYN,RST,ACK SYN -m limit --limit 1/sec -j LOG --log-prefix "Inbound " --log-level 6
-A LSI -p tcp -m tcp --tcp-flags FIN,SYN,RST,ACK SYN -j DROP
-A LSI -p tcp -m tcp --tcp-flags FIN,SYN,RST,ACK RST -m limit --limit 1/sec -j LOG --log-prefix "Inbound " --log-level 6
-A LSI -p tcp -m tcp --tcp-flags FIN,SYN,RST,ACK RST -j DROP
-A LSI -p icmp -m icmp --icmp-type 8 -m limit --limit 1/sec -j LOG --log-prefix "Inbound " --log-level 6
-A LSI -p icmp -m icmp --icmp-type 8 -j DROP
-A LSI -m limit --limit 5/sec -j LOG --log-prefix "Inbound " --log-level 6
-A LSI -j DROP
-A LSO -j LOG_FILTER
-A LSO -m limit --limit 5/sec -j LOG --log-prefix "Outbound " --log-level 6
-A LSO -j REJECT --reject-with icmp-port-unreachable
-A OUTBOUND -p icmp -j ACCEPT
-A OUTBOUND -p tcp -m state --state RELATED,ESTABLISHED -j ACCEPT
-A OUTBOUND -p udp -m state --state RELATED,ESTABLISHED -j ACCEPT
-A OUTBOUND -j ACCEPT
COMMIT
# Completed on Sun Oct 21 21:58:36 2012
service smbd status
smbd start/running, process 998
service nmbd status
nmbd start/running, process 2026
/etc/init.d/smbd вместо service эффекта также не даёт (во всяком случае видимого)