{"id":8018,"date":"2011-11-27T20:24:23","date_gmt":"2011-11-27T20:24:23","guid":{"rendered":"http:\/\/tajdini.net\/blog\/2011\/11\/27\/iptables-commands\/"},"modified":"2011-11-27T20:24:23","modified_gmt":"2011-11-27T20:24:23","slug":"iptables-commands","status":"publish","type":"post","link":"https:\/\/tajdini.net\/blog\/linux-and-open-source\/iptables-commands\/","title":{"rendered":"\u0646\u06a9\u0627\u062a \u0648 \u062f\u0633\u062a\u0648\u0631\u0627\u062a iptables"},"content":{"rendered":"

\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0628\u0647 \u0645\u0639\u0631\u0641\u06cc \u064a\u0643\u064a \u0627\u0632 \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u064a \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u062a\u0635\u0641\u064a\u0647 \u0643\u0646\u0646\u062f\u0647 \u0628\u0633\u062a\u0647 \u0647\u0627 \u0628\u0647 \u0646\u0627\u0645 IPtables \u0645\u064a \u067e\u0631\u062f\u0627\u0632\u064a\u0645. IPtables \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0646\u0633\u0644 \u0686\u0647\u0627\u0631\u0645 \u067e\u064a\u0627\u062f\u0647 \u0633\u0627\u0632\u064a \u0634\u062f\u0647 \u0627\u0632 \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u064a \u062a\u0635\u0641\u064a\u0647 \u0643\u0646\u0646\u062f\u0647 \u0633\u064a\u0633\u062a\u0645 \u0639\u0627\u0645\u0644 \u0644\u064a\u0646\u0648\u0643\u0633 \u0645\u0639\u0631\u0641\u064a \u0645\u064a \u0634\u0648\u062f.\u0646\u06a9\u0627\u062a\u06cc \u06a9\u0647 \u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0622\u0648\u0631\u062f\u0647 \u0634\u062f\u0647 \u0628\u0631 \u0627\u0633\u0627\u0633 \u062a\u062c\u0631\u0628\u06cc\u0627\u062a \u0634\u062e\u0635\u06cc \u062c\u0645\u0639 \u0622\u0648\u0631\u06cc \u0634\u062f\u0647 \u0628\u0647 \u0647\u0645\u06cc\u0646 \u0633\u0628\u0628 \u0628\u06cc\u0634\u062a\u0631 \u0627\u0632 \u0645\u0637\u0627\u0644\u0628 \u062a\u0626\u0648\u0631\u06cc\u06a9 \u06a9\u062a\u0627\u0628\u0647\u0627 \u0645\u06cc\u062a\u0648\u0627\u0646\u062f \u0645\u0641\u06cc\u062f \u0641\u0627\u06cc\u062f\u0647 \u0648\u0627\u0642\u0639 \u0634\u0648\u062f \u0636\u0645\u0646 \u0622\u0646\u06a9\u0647 \u0645\u06cc\u062a\u0648\u0627\u0646 \u0627\u0632 \u0622\u0646 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0647\u0646\u062f\u0628\u0648\u06a9 \u0633\u0627\u062f\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f.<\/span><\/span><\/p>\n

<\/p>\n
<\/span><\/div>\n

\u0646\u06a9\u062a\u0647\u06f1: <\/span><\/p>\n

\u0628\u0639\u062f \u0627\u0632 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062f\u0633\u062a\u0648\u0631\u0627\u062a iptables \u0628\u062f\u06cc\u0646 \u0635\u0648\u0631\u062a \u0622\u0646\u0647\u0627 \u0631\u0627 save \u0645\u06cc \u06a9\u0646\u06cc\u0645:<\/span><\/p>\n

 <\/span><\/p>\n

# iptables-save <\/span><\/p>\n

 # service iptables save<\/span><\/p>\n

\u0628\u0633\u062a\u0646 PING:<\/span><\/span><\/p>\n

 <\/span><\/p>\n

 # iptables -A OUTPUT -p icmp – j REJECT<\/span><\/p>\n

# iptables -A INPUT -p icmp – j REJECT<\/span><\/p>\n

\u0648 \u0628\u0631\u0627\u06cc \u062d\u0630\u0641 \u0627\u06cc\u0646 \u062f\u0633\u062a\u0648\u0631 \u0686\u0646\u06cc\u0646 \u0639\u0645\u0644 \u0645\u06cc \u06a9\u0646\u06cc\u0645:<\/span><\/span><\/p>\n

# iptables -D OUTPUT -p icmp -j REJECT<\/span><\/p>\n

\u0641\u0639\u0627\u0644 \u06a9\u0631\u062f\u0646 IP Forwarding:<\/span><\/span><\/p>\n

 # echo “1” > \/proc\/sys\/net\/ipv4\/ip_forward<\/span><\/p>\n

\u0628\u0631\u0627\u06cc Drop \u06a9\u0631\u062f\u0646 \u062f\u0631\u062e\u0648\u0627\u0633\u062a IP \u062e\u0627\u0635 \u06cc\u0627 \u067e\u0648\u0631\u062a \u062e\u0627\u0635 \u0686\u0646\u06cc\u0646 \u0639\u0645\u0644 \u0645\u06cc \u06a9\u0646\u06cc\u0645:<\/span><\/span><\/p>\n

.\u0628\u0633\u062a\u0646 \u067e\u0648\u0631\u062a 23\u0628\u0631\u0627\u06cc \u0647\u0645\u0647 ip \u0647\u0627:<\/span><\/p>\n

 # iptables -t nat -A POSTROUTING -o eth1 -p tcp -m tcp –dport 23 -j DROP<\/span><\/p>\n

..\u0628\u0633\u062a\u0646 \u067e\u0648\u0631\u062a \u0647\u0627\u06cc 22 \u0648 23 \u0628\u0631\u0627\u06cc \u0647\u0645\u0647 ip \u0647\u0627:<\/span><\/span><\/p>\n

 # iptables -t nat -A POSTROUTING -o eth1 -p tcp -m tcp –dport 22:23 -j DROP<\/span><\/p>\n

…\u0628\u0633\u062a\u0646 \u067e\u0648\u0631\u062a 22\u0648 23 \u0628\u0631\u0627\u06cc \u06cc\u06a9 ip \u062e\u0627\u0635:<\/span><\/span><\/p>\n

 # iptables -t nat -A POSTROUTING -s 192.168.0.88 -o eth1 -p tcp -m tcp –dport 22:23 -j DROP<\/span><\/p>\n

….\u0628\u0631\u0627\u06cc drop \u06a9\u0631\u062f\u0646 \u062a\u0645\u0627\u0645\u06cc Packet \u0647\u0627\u06cc \u06cc\u06a9 IP \u062e\u0627\u0635:<\/span><\/span><\/p>\n

 # iptables -A INPUT -s 217.61.158.248 -j DROP<\/span><\/p>\n

….. \u0628\u0631\u0627\u06cc Drop \u06a9\u0631\u062f\u0646 SSH packet\u0647\u0627\u06cc \u06cc\u06a9 Ip \u062e\u0627\u0635:<\/span><\/span><\/p>\n

 # iptables -A INPUT -s 217.61.158.248 -p tcp –dport 22 -j DROP<\/span><\/p>\n

\u0641\u0639\u0627\u0644 \u06a9\u0631\u062f\u0646 LOG \u062f\u0631 \u0642\u0648\u0627\u0646\u06cc\u0646 \u0641\u0627\u06cc\u0631\u0648\u0627\u0644 <\/span><\/b><\/span><\/p>\n

\u0628\u0631\u0627\u06cc \u0627\u06cc\u0646\u06a9\u0647 \u0645\u062f\u06cc\u0631\u06cc\u062a \u06a9\u0627\u0645\u0644 \u062a\u0631\u06cc \u0628\u0647 \u0634\u0628\u06a9\u0647 \u062e\u0648\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u0645 \u0648 \u0628\u062a\u0648\u0627\u0646\u06cc\u0645 \u0645\u0646\u0627\u0628\u0639\u06cc \u06a9\u0647 \u062f\u0631 \u062d\u0627\u0644 \u0627\u0633\u06a9\u0646 \u06a9\u0631\u062f\u0646 \u0633\u06cc\u0633\u062a\u0645 \u0645\u0627 \u0647\u0633\u062a\u0646\u062f \u0628\u06cc\u0627\u0628\u06cc\u0645 \u0648 \u06cc\u0627 \u062f\u0631 \u0647\u0631 \u062d\u0627\u0644 \u06af\u0632\u0627\u0631\u0634\u06cc \u0627\u0632 \u0639\u0645\u0644\u06a9\u0631\u062f \u0635\u062d\u06cc\u062d \u0641\u0627\u06cc\u0631 \u0648\u0627\u0644 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u0645 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u0645 \u0628\u0647 \u0637\u0631\u0642 \u0630\u06cc\u0644 Log \u0641\u0627\u06cc\u0644 \u0647\u0627 \u0631\u0627 \u0628\u0631\u0627\u06cc \u0645\u0648\u0627\u0631\u062f \u062f\u0644\u062e\u0648\u0627\u0647\u0645\u0627\u0646 \u0641\u0639\u0627\u0644 \u06a9\u0646\u06cc\u0645:<\/span><\/p>\n

.\u0641\u0639\u0627\u0644 \u06a9\u0631\u062f\u0646 Log \u0628\u0631\u0627\u06cc \u062f\u06cc\u062f\u0646 \u0628\u0633\u062a\u0647 \u0647\u0627\u06cc ICMP:<\/span><\/p>\n

  # iptables -A OUTPUT -p icmp -j LOG –log-prefix “PING:> “<\/span><\/p>\n

# iptables -A INPUT -p icmp -j LOG –log-prefix “PING:> “<\/span><\/p>\n

\u0628\u0631\u0627\u06cc \u062f\u06cc\u062f\u0646 \u0627\u06cc\u0646 log \u0647\u0627 \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0633\u06cc\u0631 \u0628\u0631\u0648\u06cc\u062f:<\/span><\/span><\/p>\n

\/var\/log\/messages<\/span><\/p>\n

\u0648 \u062e\u0637 \u0647\u0627\u06cc\u06cc \u0631\u0627 \u06a9\u0647 \u0628\u0627 <\/span><\/p>\n

 PING:><\/span><\/p>\n

\u0634\u0631\u0648\u0639 \u0634\u062f\u0647 \u0627\u0646\u062f \u0628\u0631\u0631\u0633\u06cc \u0646\u0645\u0627\u06cc\u06cc\u062f.( \u0627\u0644\u0628\u062a\u0647 \u0631\u0627\u0647 \u0633\u0627\u062f\u0647 \u062a\u0631 \u0622\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062f\u0633\u062a\u0648\u0631 \u0641\u06cc\u0644\u062a\u0631 \u06a9\u0646\u0646\u062f\u0647 grep \u0648 \u0645\u062e\u062a\u0635 \u06a9\u0631\u062f\u0646 \u0628\u0647 log \u0647\u0627\u06cc \u0641\u0627\u06cc\u0631\u0648\u0627\u0644 \u0645\u06cc \u0628\u0627\u0634\u062f)<\/span><\/span><\/p>\n

. \u0641\u0639\u0627\u0644 \u06a9\u0631\u062f\u0646 Log \u0628\u0631\u0627\u06cc \u062f\u06cc\u062f\u0646 Ftp:<\/span><\/p>\n

 # iptables -A OUTPUT -p tcp -s 0\/0 –dport 21 -j LOG –log-prefix “FTP:> “<\/span><\/p>\n

# iptables -A INPUT -p tcp -s 0\/0 –dport 21 -j LOG –log-prefix “FTP:> “<\/span><\/p>\n

\u06a9\u0647 \u062f\u0631 \u0644\u0627\u06af \u0641\u0627\u06cc\u0644 \u0647\u0627 \u062f\u0646\u0628\u0627\u0644 \u0639\u0628\u0627\u0631\u062a \u0627\u0646\u062a\u062e\u0627\u0628\u06cc <\/span><\/span><\/p>\n

FTP:><\/span><\/p>\n

\u0645\u06cc \u06af\u0631\u062f\u06cc\u0645.<\/span><\/span><\/p>\n

. \u0641\u0639\u0627\u0644 \u06a9\u0631\u062f\u0646 Log \u0628\u0631\u0627\u06cc \u06cc\u06a9 ip \u062e\u0627\u0635:<\/b><\/span><\/p>\n

 # iptables -t  nat POSTROUTING -s 192.168.0.88 -o eth1 -j LOG –log-prefix ” “<\/span><\/p>\n

\u06a9\u0647 \u062f\u0631 \u0644\u0627\u06af \u0641\u0627\u06cc\u0644 \u0647\u0627 \u062f\u0646\u0628\u0627\u0644 \u0639\u0628\u0627\u0631\u062a \u0627\u0646\u062a\u062e\u0627\u0628\u06cc <\/span><\/span><\/p>\n

\u0645\u06cc \u06af\u0631\u062f\u06cc\u0645. <\/span><\/p>\n

redirect \u06a9\u0631\u062f\u0646 \u067e\u0648\u0631\u062a \u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 <\/span><\/b><\/span><\/p>\n

\u062f\u0631 \u0627\u06cc\u0646 \u0628\u062e\u0634 redirect \u06a9\u0631\u062f\u0646 \u067e\u0648\u0631\u062a \u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u0631\u0627 \u0628\u0627 \u0647\u0645 \u0628\u0631\u0631\u0633\u06cc \u0645\u06cc \u06a9\u0646\u06cc\u0645:<\/span><\/p>\n

1-Transparent \u06a9\u0631\u062f\u0646Squid<\/span><\/p>\n

 # iptables -t nat -A PREROUTING -p tcp –dport 80  -j REDIRECT –to-ports 3128<\/span><\/p>\n

2-\u0628\u0631\u0627\u06cc redirect \u06a9\u0631\u062f\u0646 \u06af\u0631\u0648\u0647\u06cc \u0627\u0632 \u067e\u0648\u0631\u062a\u0647\u0627:<\/span><\/span><\/p>\n

 # iptables -t nat -A PREROUTING -p tcp -d 203.145.184.246 –dport 20:23 -j DNAT –to 192.168.0.88:20-23<\/span><\/p>\n

# iptables -A FORWARD -p tcp -d 192.168.0.88 –dport 20:23 -j ACCEPT<\/span><\/p>\n

# iptables -t nat -A PREROUTING -p udp -d 203.145.184.246 –dport 20:23 -j DNAT –to 192.168.0.88:20-23<\/span><\/p>\n

# iptables -A FORWARD -p udp -d 192.168.0.88 –dport 20:23 -j ACCEPT<\/span><\/p>\n

3- \u0628\u0631\u0627\u06cc redirect \u06a9\u0631\u062f\u0646 \u062a\u0645\u0627\u0645\u06cc \u062f\u0631\u062e\u0648\u0627\u0633\u062a \u0647\u0627\u06cc SMTP \u0627\u0632 \u0627\u06cc\u0646\u062a\u0631\u0641\u06cc\u0633eth0 \u0628\u0647 \u06cc\u06a9 \u06a9\u0627\u0645\u067e\u06cc\u0648\u062a\u0631 \u062f\u06cc\u06af\u0647 \u062f\u0627\u062e\u0644 \u0634\u0628\u06a9\u0647( LAN):<\/span><\/span><\/p>\n

 # iptables -t nat -A PREROUTING -i eth0 -p tcp –dport 25 -j DNAT –to 192.168.0.88:25<\/span><\/p>\n

# iptables -A FORWARD -p tcp -d 192.168.0.88 –dport 25 -j ACCEPT<\/span><\/p>\n

 <\/span><\/span><\/p>\n

Share \u06a9\u0631\u062f\u0646 \u0627\u06cc\u0646\u062a\u0631\u0646\u062a <\/span><\/b><\/span><\/p>\n

\u062f\u0631 \u0627\u06cc\u0646 \u0628\u062e\u0634 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0633\u06cc\u0627\u0633\u062a MASQUERADE \u0627\u06cc\u0646\u062a\u0631\u0646\u062a \u0631\u0627 \u062f\u0631 \u0634\u0628\u06a9\u0647 \u0628\u0647 \u0627\u0634\u062a\u0631\u0627\u06a9 \u0645\u06cc \u06af\u0632\u0627\u0631\u06cc\u0645:<\/span><\/p>\n

A) \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062f\u0648 \u06a9\u0627\u0631\u062a \u0634\u0628\u06a9\u0647 \u06a9\u0647 \u06cc\u06a9\u06cc \u0628\u0647 \u0627\u06cc\u0646\u062a\u0631\u0646\u062a \u0648 \u062f\u06cc\u06af\u0631\u06cc \u0628\u0647 \u0634\u0628\u06a9\u0647 \u062f\u0627\u062e\u0644\u06cc \u0645\u062a\u0635\u0644 \u0627\u0633\u062a: <\/span><\/p>\n

 # iptables -t nat -A POSTROUTING -o eth1 -j MASQUERADE<\/span><\/p>\n

(\u062a\u0648\u0636\u06cc\u062d \u0627\u06cc\u0646\u06a9\u0647 \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 eth1 \u0627\u06cc\u0646\u062a\u0631\u0641\u06cc\u0633\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u0627\u06cc\u0646\u062a\u0631\u0646\u062a \u0645\u062a\u0635\u0644 \u0627\u0633\u062a.)<\/span><\/span><\/p>\n

B) \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u0648\u062f\u0645 ( \u0628\u0647 \u0635\u0648\u0631\u062a Dialup) \u0648 \u06cc\u06a9 \u06a9\u0627\u0631\u062a \u0634\u0628\u06a9\u0647:<\/span><\/p>\n

 # iptables -t  nat  -A POSTROUTING -o ppp0 -j MASQUERADE<\/span><\/p>\n

( \u062a\u0648\u0636\u06cc\u062d \u0627\u06cc\u0646\u06a9\u0647 \u0644\u0627\u0632\u0645 \u0627\u0633\u062a \u06a9\u0647 IP forwarding \u0646\u06cc\u0632 \u0641\u0639\u0627\u0644 \u0634\u062f\u0647 \u0628\u0627\u0634\u062f <\/span><\/span><\/p>\n

\u0628\u0631\u0627\u06cc \u062f\u06cc\u062f\u0646 \u0642\u0648\u0627\u0646\u06cc\u0646\u06cc \u06a9\u0647 \u0627\u0639\u0645\u0627\u0644 \u06a9\u0631\u062f\u0647 \u0627\u06cc\u0645 :<\/span><\/p>\n

 # iptables -L<\/span><\/p>\n

# iptables -nL<\/span><\/p>\n

\u0648\u0628\u0631\u0627\u06cc \u062d\u0630\u0641 \u06a9\u0631\u062f\u0646 \u062a\u0645\u0627\u0645\u06cc \u0642\u0648\u0627\u0646\u06cc\u0646 Iptables \u0686\u0646\u06cc\u0646 \u0639\u0645\u0644 \u0645\u06cc \u06a9\u0646\u06cc\u0645:\u0634\u0630\u062b<\/span><\/span><\/p>\n

 # iptables -F<\/span><\/p>\n

# iptables -X<\/span><\/p>\n

# iptables -Z<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647 \u0628\u0647 \u0645\u0639\u0631\u0641\u06cc \u064a\u0643\u064a \u0627\u0632 \u0627\u0628\u0632\u0627\u0631\u0647\u0627\u064a \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u062a\u0635\u0641\u064a\u0647 \u0643\u0646\u0646\u062f\u0647 \u0628\u0633\u062a\u0647 \u0647\u0627 \u0628\u0647 \u0646\u0627\u0645 IPtables \u0645\u064a \u067e\u0631\u062f\u0627\u0632\u064a\u0645. IPtables \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0646\u0633\u0644 \u0686\u0647\u0627\u0631\u0645 \u067e\u064a\u0627\u062f\u0647 \u0633\u0627\u0632\u064a \u0634\u062f\u0647 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[227,234],"tags":[249,282,5,4,264,276],"class_list":["post-8018","post","type-post","status-publish","format-standard","hentry","category-linux-and-open-source","category-training-and-reference","tag-firewall","tag-iptables","tag-linux","tag-persian","tag-training"],"_links":{"self":[{"href":"https:\/\/tajdini.net\/blog\/wp-json\/wp\/v2\/posts\/8018","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tajdini.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tajdini.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tajdini.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tajdini.net\/blog\/wp-json\/wp\/v2\/comments?post=8018"}],"version-history":[{"count":0,"href":"https:\/\/tajdini.net\/blog\/wp-json\/wp\/v2\/posts\/8018\/revisions"}],"wp:attachment":[{"href":"https:\/\/tajdini.net\/blog\/wp-json\/wp\/v2\/media?parent=8018"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tajdini.net\/blog\/wp-json\/wp\/v2\/categories?post=8018"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tajdini.net\/blog\/wp-json\/wp\/v2\/tags?post=8018"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}