Web21 Feb 2015 · POSTROUTING用於將你的伺服器放在防火牆之後,作為保護伺服器使用,例如: A.你的伺服器IP地址為:192.168.1.2; B.你的防火牆(Linux & iptables)地址為192.168.1.1和202.96.129.5 Internet上的使用者可以正常的訪問202.96.129.5,但他們無法訪問192.168.1.2,這時在Linux防火牆裡可以做這樣的設定: iptables -t nat -A … Webas well as with iptables with the following commands (based on answers to this stackoverflow question): iptables -t nat -A PREROUTING -p udp --dport 27016 -j DNAT --to-destination myip:54300 iptables -t nat -A POSTROUTING -j MASQUERADE sysctl -w net.ipv4.ip_forward=1. In both cases when trying to connect to the server, the "joining …
linux - What is MASQUERADE made for? - Super User
Web4 Jan 2024 · iptables -t nat -A POSTROUTING -o ppp0 -j MASQUERADE Page 1 of 1 [ 9 post ] Similar Threads 1. 2. 3. 4. 5. 6. icmp type 11 not go via nat POSTROUTING table 7. POSTROUTING and iptables 8. 9. iptables confusion: INPUT -vs- FORWARD -vs- POSTROUTING 10. ipTABLES: Can you perform SNAT (postrouting) translation on the … Web13 Jan 2024 · The second, postrouting, will make sure that the source address of the packet is no longer the original one but the one of the machine who performed the NAT. So, the … hanish crime
Объединение двух локальных сетей с одинаковым номерами …
Web19 Jul 2016 · POSTROUTING是源地址转换,要把你的内网地址转换成公网地址才能让你上网。 PREROUTING是目的地址转换,要把别人的公网IP换成你们内部的IP,才让访问到你们内部受防火墙保护的机器 PREROUTING 当外网的数据包进入到内网时,我们需要修改数据包中的公网 IP 为内网的主机 IP,这种 DNAT 的行为规则就要在 PREROUTING 链里添加。 … WebDie Ketten PREROUTING und POSTROUTING sind dabei die beiden wichtigsten. Wie die Namen schon sagen, ist die PREROUTING-Kette für Pakete zuständig, die gerade frisch am Netzwerkinterface angekommen sind. Web1. Redirect UID-specific traffic to a separate routing table, e.g. UID 1002 to table 502: ip rule add uidrange 1002-1002 table 502. 2. Use the desired source IP in the default gateway … hanish eye institute alton illinois