Iptables redirect dnat区别
WebREDIRECT 将包重新导向到另一个端口（PNAT），进行完此处理动作后，将会继续比对其它规则。 这个功能可以用来实作通透式porxy 或用来保护 web 服务器。 例如： iptables -t … Web1：写一个防火墙配置脚本，只允许远程主机访问本机的80端口。 iptables -P INPUT ACCEPT iptables -P OUTPUT ACCEPT iptables -P FORWARD ACCEPT iptables -F iptables -X iptables -A INPUT -i eth0 -p tcp -dport 80-j ACCEPT iptables -P INPUT DROP . 2：如何将本地 80 端口的请求转发到 8080 端口，当前主机 IP 为 192.168.2.1
Iptables redirect dnat区别
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WebSince with REDIRECT you don't need to specify the IP address, it will just take the right one, it has some advantages over DNAT: If the machine's IP address changes for any reason you … WebNov 28, 2016 · I tried the following command, but only worked on http requests. When I visit a https domain name, it won't redirect to 192.168.88.210. iptables -t nat -I PREROUTING -p tcp -m multiport --dport 80,443 -j DNAT --to-destination 192.168.88.210:80 iptables -t nat -I POSTROUTING -p tcp -m multiport --dport 80,443 -j MASQUERADE
WebNov 19, 2024 · I want to redirect this requests to a port 8080 of IP1 before these packets leave machine IP1 and go to IP2. This means I need to filter outcoming traffic. I tried answers from related questions but this does not help: iptables -t nat -A OUTPUT -p tcp -d IP1 --dport 54321 -j REDIRECT --to-ports 8080 iptables -t nat -A OUTPUT -p tcp --dport ... Webiptables 表里的规则是从上往下读的，如如果匹配到规则就不再继续向下匹配了。 将都接受规则（第二条）插入到拒绝80访问之前，就能正常访问了 由于是按着顺序访问的，因此在企业中若有几万条规则，逐一读取会造成网速的延迟，因此，读取规则的时候先读 ...
WebNov 4, 2024 · iptables NAT表之SNAT、DNAT、REDIRECT介绍 NAT: network address translation PREROUTING，INPUT，OUTPUT，POSTROUTING 请求报文：修改源/目标IP，由定义如何修改 响应报文：修改源/目标IP，根据跟踪机制自动实现 SNAT SNAT：source NAT POSTROUTING, INPUT 让本地网络中的主... WebJul 14, 2014 · According to netfilter documentation, redirection is a specialized case of destination NAT. REDIRECT is equivalent to doing DNAT to the incoming interface. Linux 2.4 NAT HOWTO -- Destination NAT. So it means the first and second strings are equivalent.
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WebFeb 1, 2010 · iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 25 -j REDIRECT --to-port 2525. In this example all incoming traffic on port 80 redirect to port 8123. This target is only valid in the nat table, in the PREROUTING and OUTPUT chains, and user-defined chains which are only called from those chains. It redirects the packet to the machine itself ... porsche hans peterWebiptables 其实只是一个简称，其真正代表的是 netfilter/iptables 这个IP数据包过滤系统。. 为了简便，本文也将整套系统用iptables简称。. iptables是3.5版本的Linux内核集成的IP数据 … iris weinshall net worth 2020WebJan 12, 2016 · -A PREROUTING -i em1 -p tcp --dport 9000 -j DNAT --to 10.10.0.15:9000 -A PREROUTING -i em1 -p tcp --dport 9001 -j DNAT --to 10.10.0.15:9001 And I've tried br0 instead of em1 but neither work. In a hail of 3am research I found a load of stuff suggesting I need ebtables but I'd never even heard of that before. iris weinshall net worthhttp://www.satbb.com/iptables-%E5%9F%BA%E7%A1%80%E7%9F%A5%E8%AF%86%E4%B8%8E%E5%91%BD%E4%BB%A4%E9%80%9F%E6%9F%A5/ iris weinshall budgetWebIptables REDIRECT vs. DNAT vs. TPROXY As getting closer to the task itself (which is to extract the transparent proxy support from iptables to be available from nftables as well), … porsche haningeWebJul 2, 2024 · OUTPUT:DNAT 、REDIRECT （本机）DNAT和REDIRECT规则用来处理来自NAT主机本身生成的出站数据包. 一、打开内核的路由功能。 要实现nat，要将文 … porsche hard drive 2tbWebDec 29, 2024 · iptables -t nat -A PREROUTING -i eth0 -p tcp --syn -j REDIRECT --to-ports 9040 then all the tcp packets from the clients inside the lan would redirect to 192.168.1.1:9040 … iris welfare call