Доброго времени , так сказать с наступающим.
Недавно посетила меня идея удалённо (через инет) заходить по ssh на домашний компьютер (бывает нужно что нибудь ) , и в вэб интерфейс deluge смотреть скачались ли торренты ну и добавлять новые . Открыл порты на модеме (D-link 2500U), ip компьютера узнаю через www.dyndns.com. Вообщем на домашнем компе все заработало на ура , входит отовсюду вобщем работает. Но не заработало на работе почему то, (suse 11.1) модем тот же , оператор Сибтелеком и дома и на работе. Захожу в аккаунт dyndns смотрю ip пробую коннектится, ssh -p порт имяпользователя@айпишниккоторый показал dyndns, пишет Connection timed out , пробую пингануть
пишет что 100% packet loss.
Что я не так делаю? Может пнете в нужном направлении буду благодарен : )
Задавал вопрос здесь тема повисла http://www.linux.irk.ru/
Вот iptables c рабочей машины
# Generated by iptables-save v1.4.2-rc1 on Mon Dec 20 12:17:57 2010
*nat
:PREROUTING ACCEPT [1104094:60625715]
:POSTROUTING ACCEPT [1324371:64603018]
:OUTPUT ACCEPT [490999:31268129]
-A POSTROUTING -s 192.168.3.0/24 -o eth3 -p tcp -m tcp --dport 25 -j MASQUERADE
-A POSTROUTING -s 192.168.3.0/24 -o eth3 -p tcp -m tcp --dport 110 -j MASQUERADE
-A POSTROUTING -s 192.168.3.0/24 -o eth3 -p tcp -m tcp --dport 53 -j MASQUERADE
-A POSTROUTING -s 192.168.3.0/24 -o eth3 -p udp -m udp --dport 53 -j MASQUERADE
-A POSTROUTING -s 192.168.3.0/24 -o eth3 -p tcp -m tcp --dport 443 -j MASQUERADE
COMMIT
# Completed on Mon Dec 20 12:17:57 2010
# Generated by iptables-save v1.4.2-rc1 on Mon Dec 20 12:17:57 2010
*raw
:PREROUTING ACCEPT [24780659:13833971215]
:OUTPUT ACCEPT [23627072:14973832081]
-A PREROUTING -i lo -j NOTRACK
-A OUTPUT -o lo -j NOTRACK
COMMIT
# Completed on Mon Dec 20 12:17:57 2010
# Generated by iptables-save v1.4.2-rc1 on Mon Dec 20 12:17:57 2010
*filter
:INPUT DROP [0:0]
:FORWARD DROP [0:0]
:OUTPUT ACCEPT [84:4068]
:forward_ext - [0:0]
:forward_int - [0:0]
:input_ext - [0:0]
:input_int - [0:0]
:reject_func - [0:0]
-A INPUT -i lo -j ACCEPT
-A INPUT -m state --state ESTABLISHED -j ACCEPT
-A INPUT -p icmp -m state --state RELATED -j ACCEPT
-A INPUT -i eth0 -j input_int
-A INPUT -i eth2 -j input_int
-A INPUT -i eth3 -j input_ext
-A INPUT -j input_ext
-A INPUT -m limit --limit 3/min -j LOG --log-prefix "SFW2-IN-ILL-TARGET " --log-tcp-options --log-ip-options
-A INPUT -j DROP
-A FORWARD -p tcp -m tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu
-A FORWARD -i eth0 -j forward_int
-A FORWARD -i eth2 -j forward_int
-A FORWARD -i eth3 -j forward_ext
-A FORWARD -m limit --limit 3/min -j LOG --log-prefix "SFW2-FWD-ILL-ROUTING " --log-tcp-options --log-ip-options
-A FORWARD -j DROP
-A OUTPUT -o lo -j ACCEPT
-A OUTPUT -m state --state NEW,RELATED,ESTABLISHED -j ACCEPT
-A OUTPUT -m limit --limit 3/min -j LOG --log-prefix "SFW2-OUT-ERROR " --log-tcp-options --log-ip-options
-A forward_ext -p icmp -m state --state RELATED,ESTABLISHED -m icmp --icmp-type 0 -j ACCEPT
-A forward_ext -p icmp -m state --state RELATED,ESTABLISHED -m icmp --icmp-type 3 -j ACCEPT
-A forward_ext -p icmp -m state --state RELATED,ESTABLISHED -m icmp --icmp-type 11 -j ACCEPT
-A forward_ext -p icmp -m state --state RELATED,ESTABLISHED -m icmp --icmp-type 12 -j ACCEPT
-A forward_ext -p icmp -m state --state RELATED,ESTABLISHED -m icmp --icmp-type 14 -j ACCEPT
-A forward_ext -p icmp -m state --state RELATED,ESTABLISHED -m icmp --icmp-type 18 -j ACCEPT
-A forward_ext -p icmp -m state --state RELATED,ESTABLISHED -m icmp --icmp-type 3/2 -j ACCEPT
-A forward_ext -p icmp -m state --state RELATED,ESTABLISHED -m icmp --icmp-type 5 -j ACCEPT
-A forward_ext -d 192.168.3.0/24 -i eth3 -o eth0 -p tcp -m tcp --sport 25 -m state --state RELATED,ESTABLISHED -j ACCEPT
-A forward_ext -d 192.168.3.0/24 -i eth3 -o eth2 -p tcp -m tcp --sport 25 -m state --state RELATED,ESTABLISHED -j ACCEPT
-A forward_ext -d 192.168.3.0/24 -i eth3 -o eth0 -p tcp -m tcp --sport 110 -m state --state RELATED,ESTABLISHED -j ACCEPT
-A forward_ext -d 192.168.3.0/24 -i eth3 -o eth2 -p tcp -m tcp --sport 110 -m state --state RELATED,ESTABLISHED -j ACCEPT
-A forward_ext -d 192.168.3.0/24 -i eth3 -o eth0 -p tcp -m tcp --sport 53 -m state --state RELATED,ESTABLISHED -j ACCEPT
-A forward_ext -d 192.168.3.0/24 -i eth3 -o eth2 -p tcp -m tcp --sport 53 -m state --state RELATED,ESTABLISHED -j ACCEPT
-A forward_ext -d 192.168.3.0/24 -i eth3 -o eth0 -p udp -m udp --sport 53 -m state --state RELATED,ESTABLISHED -j ACCEPT
-A forward_ext -d 192.168.3.0/24 -i eth3 -o eth2 -p udp -m udp --sport 53 -m state --state RELATED,ESTABLISHED -j ACCEPT
-A forward_ext -d 192.168.3.0/24 -i eth3 -o eth0 -p tcp -m tcp --sport 443 -m state --state RELATED,ESTABLISHED -j ACCEPT
-A forward_ext -d 192.168.3.0/24 -i eth3 -o eth2 -p tcp -m tcp --sport 443 -m state --state RELATED,ESTABLISHED -j ACCEPT
-A forward_ext -m limit --limit 3/min -m pkttype --pkt-type multicast -j LOG --log-prefix "SFW2-FWDext-DROP-DEFLT " --log-tcp-options --log-ip-options
-A forward_ext -m pkttype --pkt-type multicast -j DROP
-A forward_ext -p tcp -m limit --limit 3/min -m tcp --tcp-flags FIN,SYN,RST,ACK SYN -j LOG --log-prefix "SFW2-FWDext-DROP-DEFLT " --log-tcp-options --log-ip-options
-A forward_ext -p icmp -m limit --limit 3/min -j LOG --log-prefix "SFW2-FWDext-DROP-DEFLT " --log-tcp-options --log-ip-options
-A forward_ext -p udp -m limit --limit 3/min -j LOG --log-prefix "SFW2-FWDext-DROP-DEFLT " --log-tcp-options --log-ip-options
-A forward_ext -m limit --limit 3/min -m state --state INVALID -j LOG --log-prefix "SFW2-FWDext-DROP-DEFLT-INV " --log-tcp-options --log-ip-options
-A forward_ext -j DROP
-A forward_int -p icmp -m state --state RELATED,ESTABLISHED -m icmp --icmp-type 0 -j ACCEPT
-A forward_int -p icmp -m state --state RELATED,ESTABLISHED -m icmp --icmp-type 3 -j ACCEPT
-A forward_int -p icmp -m state --state RELATED,ESTABLISHED -m icmp --icmp-type 11 -j ACCEPT
-A forward_int -p icmp -m state --state RELATED,ESTABLISHED -m icmp --icmp-type 12 -j ACCEPT
-A forward_int -p icmp -m state --state RELATED,ESTABLISHED -m icmp --icmp-type 14 -j ACCEPT
-A forward_int -p icmp -m state --state RELATED,ESTABLISHED -m icmp --icmp-type 18 -j ACCEPT
-A forward_int -p icmp -m state --state RELATED,ESTABLISHED -m icmp --icmp-type 3/2 -j ACCEPT
-A forward_int -p icmp -m state --state RELATED,ESTABLISHED -m icmp --icmp-type 5 -j ACCEPT
-A forward_int -s 192.168.3.0/24 -i eth0 -o eth3 -p tcp -m state --state NEW,RELATED,ESTABLISHED -m tcp --dport 25 -j ACCEPT
-A forward_int -s 192.168.3.0/24 -i eth2 -o eth3 -p tcp -m state --state NEW,RELATED,ESTABLISHED -m tcp --dport 25 -j ACCEPT
-A forward_int -s 192.168.3.0/24 -i eth0 -o eth3 -p tcp -m state --state NEW,RELATED,ESTABLISHED -m tcp --dport 110 -j ACCEPT
-A forward_int -s 192.168.3.0/24 -i eth2 -o eth3 -p tcp -m state --state NEW,RELATED,ESTABLISHED -m tcp --dport 110 -j ACCEPT
-A forward_int -s 192.168.3.0/24 -i eth0 -o eth3 -p tcp -m state --state NEW,RELATED,ESTABLISHED -m tcp --dport 53 -j ACCEPT
-A forward_int -s 192.168.3.0/24 -i eth2 -o eth3 -p tcp -m state --state NEW,RELATED,ESTABLISHED -m tcp --dport 53 -j ACCEPT
-A forward_int -s 192.168.3.0/24 -i eth0 -o eth3 -p udp -m state --state NEW,RELATED,ESTABLISHED -m udp --dport 53 -j ACCEPT
-A forward_int -s 192.168.3.0/24 -i eth2 -o eth3 -p udp -m state --state NEW,RELATED,ESTABLISHED -m udp --dport 53 -j ACCEPT
-A forward_int -s 192.168.3.0/24 -i eth0 -o eth3 -p tcp -m state --state NEW,RELATED,ESTABLISHED -m tcp --dport 443 -j ACCEPT
-A forward_int -s 192.168.3.0/24 -i eth2 -o eth3 -p tcp -m state --state NEW,RELATED,ESTABLISHED -m tcp --dport 443 -j ACCEPT
-A forward_int -m limit --limit 3/min -m pkttype --pkt-type multicast -j LOG --log-prefix "SFW2-FWDint-DROP-DEFLT " --log-tcp-options --log-ip-options
-A forward_int -m pkttype --pkt-type multicast -j DROP
-A forward_int -p tcp -m limit --limit 3/min -m tcp --tcp-flags FIN,SYN,RST,ACK SYN -j LOG --log-prefix "SFW2-FWDint-DROP-DEFLT " --log-tcp-options --log-ip-options
-A forward_int -p icmp -m limit --limit 3/min -j LOG --log-prefix "SFW2-FWDint-DROP-DEFLT " --log-tcp-options --log-ip-options
-A forward_int -p udp -m limit --limit 3/min -j LOG --log-prefix "SFW2-FWDint-DROP-DEFLT " --log-tcp-options --log-ip-options
-A forward_int -m limit --limit 3/min -m state --state INVALID -j LOG --log-prefix "SFW2-FWDint-DROP-DEFLT-INV " --log-tcp-options --log-ip-options
-A forward_int -j reject_func
-A input_ext -m pkttype --pkt-type broadcast -j DROP
-A input_ext -p icmp -m icmp --icmp-type 4 -j ACCEPT
-A input_ext -p icmp -m icmp --icmp-type 8 -j ACCEPT
-A input_ext -p tcp -m limit --limit 3/min -m tcp --dport 1986 --tcp-flags FIN,SYN,RST,ACK SYN -j LOG --log-prefix "SFW2-INext-ACC-TCP " --log-tcp-options --log-ip-options
-A input_ext -p tcp -m tcp --dport 1986 -j ACCEPT
-A input_ext -p udp -m udp --dport 1986 -j ACCEPT
-A input_ext -p udp -m udp --dport 10000 -j ACCEPT
-A input_ext -m limit --limit 3/min -m pkttype --pkt-type multicast -j LOG --log-prefix "SFW2-INext-DROP-DEFLT " --log-tcp-options --log-ip-options
-A input_ext -m pkttype --pkt-type multicast -j DROP
-A input_ext -p tcp -m limit --limit 3/min -m tcp --tcp-flags FIN,SYN,RST,ACK SYN -j LOG --log-prefix "SFW2-INext-DROP-DEFLT " --log-tcp-options --log-ip-options
-A input_ext -p icmp -m limit --limit 3/min -j LOG --log-prefix "SFW2-INext-DROP-DEFLT " --log-tcp-options --log-ip-options
-A input_ext -p udp -m limit --limit 3/min -j LOG --log-prefix "SFW2-INext-DROP-DEFLT " --log-tcp-options --log-ip-options
-A input_ext -m limit --limit 3/min -m state --state INVALID -j LOG --log-prefix "SFW2-INext-DROP-DEFLT-INV " --log-tcp-options --log-ip-options
-A input_ext -j DROP
-A input_int -j ACCEPT
-A reject_func -p tcp -j REJECT --reject-with tcp-reset
-A reject_func -p udp -j REJECT --reject-with icmp-port-unreachable
-A reject_func -j REJECT --reject-with icmp-proto-unreachable
COMMIT
# Completed on Mon Dec 20 12:17:58 2010

, там virtual servers с таким же перенаправлением портов. 

я не спешу
