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iptables内网
iptables内网
内网iptables
上网问题。
我买了两台机子,a(有公网ip),b(只有
内网ip
)。我通过a ssh 到b,b上要装一些基础软件,需要访问外
网
。我在a用
iptables
做代理,打开了net.ipv4.ip_forward,b上加 a 为默认网关。还是失败。我在linkcloud 的机子上是ok的。这块是阿里...
求问
iptables
转发
内网
规则
求问各位大大,想转另外一台服务器内网访问 我公司有个centos,TCP服务端需要3个端口来支持分别,8080->8081->8082 如:服务器A:IP为:120.26.90.*
内网ip
:10.252.175.*服务器B:只有
内网
:
ip
:10.252.174.*有什么规则能够设置通过服务器A的...
linux下使用
iptables
实现
内网
的ftp端口映射
想达到的目的:通过A机器的外
网
去访问B机器的ftp(21)环境:A机器外
网
IP为 123.234.12.22(eth1)
内网IP
为 192.168.10.20(eth0)B机器内网为 192.168.10.21 实现方法:1.让你的linux支持ftp的端口转发 modprobe ip_nat_ftp#加载ip_nat_ftp...
【
iptables
初始化
内网
网关配置】setting_firewall_gw.sh
配置#1.1 配置 外
网
WAN#INET_
IP
="1.2.3.4"INET_IFACE="em2"INET_
IP
2="21.43.56.78"INET_IFACE2="em2:1"#1.2 配置
内网
LAN#接口,
IP
和子网掩码,可以用VLSM#LAN_
IP
="192.168.100.254"LAN_
IP
_RANGE="192.168.100.0/24"LAN_IFACE="em1"#1.3 ...
iptables
实现centos
内网
机器访问外
网
两台机器都是centos系统带外
网
机器的外
网
ip为 123.221.20.11,
内网ip
为 192.168.15.100内网机器的
内网ip
为 192.168.15.101设置方法很简单:1.在带外
网
的机器上设置
iptables
规则:
iptables
-t nat-A POSTROUTING-s 192.168.15.101-j SNAT-to ...
iptables
状态策略 允许
内网
连接外网 拒绝外网主动连入
内网
_笔记
4种状态 new established related ...并设置链策略,以便可以正确处理这些包 允许
内网
连接外网 拒绝外网主动连入
内网
iptables
-a input-m state-state established,related-j accept
iptables
-a input-m state-state new,invalid-j drop
Linux-
Iptables
-Memcached实现
内网
转发连接
1、实验环境2、实验条件:3、注意事项:4、实践操作:1、实验环境如下服务器均采用CentOS 6.5服务器名
内网
地址外
网
地址A10.1.1.21254.227.20.225B10.1.2.36None2、实验条件:服务器A设置路由转发并通过
iptables
进行端口转发,服务器B上开启...
iptables
外
网
一端口通过NAT转发
内网
一服务器端口上
命令格式-A PREROUTING-d 服务器IP-p tcp-m tcp-dport 端口2222-j DNAT-to-destination
内网IP
:22-A POSTROUTING-s 192.168.10.0/255.255.255.0-o 网卡eth0-j SNAT-to-source 服务器IP 直接修改/etc/sysconfig/
iptables
-A PREROUTING-d 192...
1
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云解析 PrivateZone
云解析 PrivateZone是基于阿里云专有网络VPC(Virtual Private Cloud)环境的私有域名解析和管理服务。可以在自定义的一个或多个专有网络中快速构建DNS系统,实现私有域名映射到IP资源地址。
产品控制台
立即开通
产品文档
产品入门
产品快速入门
常见问题
最佳实践
企业上云数据库迁移
主机名生成DNS解析
最新动态
DNS解析器全新上线
最佳实践
云上访问云下资源
云下访问云上DNS
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云解析 PrivateZone
云解析 PrivateZone是基于阿里云专有网络VPC(Virtual Private Cloud)环境的私有域名解析和管理服务。可以在自定义的一个或多个专有网络中快速构建DNS系统,实现私有域名映射到IP资源地址。
产品控制台
立即开通
产品文档
产品入门
产品快速入门
常见问题
最佳实践
企业上云数据库迁移
主机名生成DNS解析
最新动态
DNS解析器全新上线
最佳实践
云上访问云下资源
云下访问云上DNS