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сервис_firewall
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сервис_firewall [2020/09/01 16:36] val [Linux (iptables)] |
сервис_firewall [2021/09/15 10:16] val [FreeBSD (pf)] |
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| Line 14: | Line 14: | ||
| === Настройка фильтра === | === Настройка фильтра === | ||
| <code> | <code> | ||
| - | root@gate:~# cat firewall.sh | + | root@clientN:~# cat firewall.sh |
| </code><code> | </code><code> | ||
| iptables --flush | iptables --flush | ||
| Line 21: | Line 21: | ||
| iptables -A INPUT -j DROP | iptables -A INPUT -j DROP | ||
| </code><code> | </code><code> | ||
| - | root@gate:~# sh firewall.sh | + | root@clientN:~# sh firewall.sh |
| </code> | </code> | ||
| === Просмотр правил фильтра === | === Просмотр правил фильтра === | ||
| <code> | <code> | ||
| - | root@gate:~# iptables -t filter -n -L -v --line-numbers | + | # iptables -t filter -n -L -v --line-numbers |
| или | или | ||
| - | root@gate:~# iptables -n -L -v --line-numbers | + | # iptables -n -L -v --line-numbers |
| + | </code> | ||
| + | === Удаление правил фильтра === | ||
| + | <code> | ||
| + | iptables -t ТАБЛИЦА -D ЦЕПОЧКА НОМЕР_ПРАВИЛА | ||
| </code> | </code> | ||
| - | |||
| === Работа с таблицей состояний === | === Работа с таблицей состояний === | ||
| Line 43: | Line 46: | ||
| === Сохранение состояния iptables === | === Сохранение состояния iptables === | ||
| <code> | <code> | ||
| - | root@gate:~# iptables-save > /etc/iptables.rules | + | # iptables-save > /etc/iptables.rules |
| </code> | </code> | ||
| === Восстановление состояния iptables === | === Восстановление состояния iptables === | ||
| <code> | <code> | ||
| - | root@gate:~# iptables-restore < /etc/iptables.rules | + | # iptables-restore < /etc/iptables.rules |
| </code> | </code> | ||
| Line 55: | Line 58: | ||
| == Debian/Ubuntu == | == Debian/Ubuntu == | ||
| <code> | <code> | ||
| - | root@gate:~# cat /etc/network/interfaces | + | # cat /etc/network/interfaces |
| </code><code> | </code><code> | ||
| ... | ... | ||
| Line 165: | Line 168: | ||
| iptables -A FORWARD -i eth1 -p udp -d 192.168.X.10 --dport 53 -j ACCEPT | iptables -A FORWARD -i eth1 -p udp -d 192.168.X.10 --dport 53 -j ACCEPT | ||
| #iptables -A FORWARD -i eth1 -p tcp -d 192.168.X.10 --dport 25 -j REJECT | #iptables -A FORWARD -i eth1 -p tcp -d 192.168.X.10 --dport 25 -j REJECT | ||
| - | iptables -A FORWARD -i eth1 -p tcp -d 192.168.X.10 --dport 25 -j ACCEPT | + | #iptables -A FORWARD -i eth1 -p tcp -d 192.168.X.10 --dport 25 -j ACCEPT |
| + | #iptables -A FORWARD -i eth1 -p tcp -d 192.168.X.10 --dport 465 -j ACCEPT | ||
| + | #iptables -A FORWARD -i eth1 -p tcp -d 192.168.X.10 --dport 587 -j ACCEPT | ||
| + | #iptables -A FORWARD -i eth1 -p tcp -d 192.168.X.10 --dport 143 -j ACCEPT | ||
| iptables -A FORWARD -i eth1 -p tcp -d 192.168.X.10 --dport 80 -j ACCEPT | iptables -A FORWARD -i eth1 -p tcp -d 192.168.X.10 --dport 80 -j ACCEPT | ||
| - | iptables -A FORWARD -i eth1 -p tcp -d 192.168.X.10 --dport 143 -j ACCEPT | + | iptables -A FORWARD -i eth1 -p tcp -d 192.168.X.10 --dport 5222 -j ACCEPT |
| #iptables -A FORWARD -i eth1 -p udp -d 192.168.X.10 --dport 5060 -j ACCEPT | #iptables -A FORWARD -i eth1 -p udp -d 192.168.X.10 --dport 5060 -j ACCEPT | ||
| #iptables -A FORWARD -i eth1 -p udp -d 192.168.X.10 --dport 4569 -j ACCEPT | #iptables -A FORWARD -i eth1 -p udp -d 192.168.X.10 --dport 4569 -j ACCEPT | ||
| Line 185: | Line 192: | ||
| conntrack -F | conntrack -F | ||
| </code><code> | </code><code> | ||
| + | root@gate:~# apt install conntrack | ||
| + | |||
| root@gate:~# sh firewall.sh | root@gate:~# sh firewall.sh | ||
| Line 418: | Line 427: | ||
| # pfctl -t fail2ban -T add 172.16.1.254 | # pfctl -t fail2ban -T add 172.16.1.254 | ||
| + | # pfctl -k 172.16.1.254 | ||
| # pfctl -t fail2ban -T flush | # pfctl -t fail2ban -T flush | ||
| Line 435: | Line 445: | ||
| <code> | <code> | ||
| [gate:~] # pfctl -vs state | [gate:~] # pfctl -vs state | ||
| + | |||
| + | [gate:~] # pfctl -k 0.0.0.0/0 -k 172.16.1.254 | ||
| [gate:~] # pfctl -F states | [gate:~] # pfctl -F states | ||
сервис_firewall.txt · Last modified: 2024/05/07 16:18 by val
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