iptables P INPUT ACCEPT
iptables F
iptables A INPUT i ... iptables P INPUT DROP
iptables P FORWARD DROP
iptables ... ACCEPT
# Allow HTTPS
# iptables A INPUT p ... echo quot service iptables save quot
echo ...
... надеюсь что только
iptables A block m ... RELATED j ACCEPT
iptables A block m ... 30269 j ACCEPT
iptables A block m ... 16698 j ACCEPT
iptables A block m ... 27359 j ACCEPT
iptables A block m ...
...
iptables N MRA_Packets
iptables N ICQ_Packets
iptables ... # MRA_Packets rules
iptables A MRA_Packets m ... # ICQ_Packets rules
iptables A ICQ_Packets m ... соответствующие цепочки
iptables A INPUT ...
... ip адресов
sbin iptables P INPUT ... iptables N allow_web_ip
sbin iptables F allow_web_ip
sbin iptables ... txt
do
sbin iptables A allow_web_ip ... bin cat etc iptables rbnotinpeering txt
do ...
... количества трафика
# iptables A INPUT m ... одной строкой
iptables A INPUT ... простых утилит iptables save iptables restore iptables apply ... того чтобы понять iptables достаточно посмотреть ...
... что knockd
iptables N ssh
iptables A ... SSH INN quot
iptables A ssh ... with tcp reset
iptables A ssh ... j ACCEPT iptables A INPUT ... j ssh
iptables A INPUT ... name adm1 set
iptables A INPUT ...
... для iptablesiptables N UDP DNS LIMIT
iptables N ... TCP DNS LIMIT
iptables ... j ACCEPT
iptables A TCP ... UDP DNS LIMIT
iptables I FORWARD ... TCP DNS LIMIT
iptables I FORWARD ...
... pre up iptables restore etc iptables up rules ... pre up iptables restore etc iptables up rules ... Загрузим правила в iptables Можно перезапустить ... так
sudo iptables restore etc iptables up rules ...
...
echo quot Updating IPtables Routing and Enabling ... to ip
# saves iptables routing rules and ... on boot
iptables save etc iptables conf
cat ...
# bin sh
iptables restore etc iptables conf
END ...
... Требует наличия только iptables ipset и ... some defaults
iptables quot sbin iptables quot
tempdir ... DROP dev null
iptables I INPUT ... lists registered in iptables quot
iptables L INPUT ...
... are cleared
iptables A INPUT ... j DROP
iptables A INPUT ... expected accompanying ACK
iptables A INPUT ... expected accompanying ACK
iptables A INPUT ... expected accompanying ACK
iptables A INPUT ...
... или без него
iptables A INPUT p ... 22 j ACCEPT
iptables A OUTPUT p ...
iptables P INPUT DROP
iptables P OUTPUT DROP
iptables ... к этому порту
iptables A INPUT i ... 47 j ACCEPT
iptables A INPUT i ...
... файрволе
#TCP Filters ##
iptables t mangle A ... DROP
#SYN+FIN
iptables t mangle A ... DROP
#SYN+RST
iptables t mangle A ... DROP
#FIN+RST
iptables t mangle A ... o ACK before
iptables t mangle A ...
... ПО
1
# iptables A INPUT p ... j DROP
# iptables A INPUT p ... ACCEPT
2
# iptables A INPUT p ... ACCEPT
3
# iptables A INPUT p ... ACCEPT
4
# iptables A INPUT p ... j DROP
# iptables A INPUT p ...
... 40 to 300
iptables t raw I ... 40 to 300
iptables t raw C ... 40 to 300
iptables t raw I ... 40 to 300
iptables t raw C ... 40 to 300
iptables t raw I ... 40 to 300
iptables t raw I ...
... then usr sbin iptables D DOCKER ... доступ
usr sbin iptables C DOCKER ... do
usr sbin iptables C DOCKER ... then usr sbin iptables I DOCKER ... и перезагрузки контейнеров iptables от докера переписывается ...
... Можно сократить до
iptables A INPUT ... dport 1723
iptables t nat ... интерфейс
Жизненный вариант
iptables t nat ... стоило бы добавить
iptables A FORWARD ... не было
iptables A FORWARD ...
... фрагментами предыдущими
iptables N adm1
iptables A adm1 ... adm2 set
iptables N adm2
iptables A adm2 ... adm3 set
iptables N adm3
iptables A adm3 ...
