這篇文章主要介紹了linux共享上網(wǎng)設(shè)置實(shí)例詳解的相關(guān)資料,需要的朋友可以參考下
linux共享上網(wǎng)設(shè)置
1、打開內(nèi)核ip轉(zhuǎn)發(fā)
vi?/etc/sysctl.conf? ? net.ipv4.ip_forward?=?1
執(zhí)行sysctrl -p生效?
2、如果主機(jī)未啟用防火墻,那么如下設(shè)置iptables
[root@Web-Lnmp02?~]#?iptables?-F [root@Web-Lnmp02?~]#?iptables?-P?INPUT?ACCEPT [root@Web-Lnmp02?~]#?iptables?-P?FORWARD?ACCEPT? [root@Web-Lnmp02?~]#?iptables?-t?nat?-A?POSTROUTING?-o?eth0?-j?MASQUERADE 或者 ???????????iptables?-t?nat?-A?POSTROUTING?-s?ip?-o?eth0?-j?MASQUERADE?? ? //指定某ip或ip段可以轉(zhuǎn)發(fā) iptables?-t?nat?-A?POSTROUTING?-s?192.168.0.170?-o?enp1s0?-j?MASQUERADE iptables?-t?nat?-A?POSTROUTING?-s?192.168.0.0/24?-o?enp1s0?-j?MASQUERADE ? ? [root@Web-Lnmp02?~]#?/etc/init.d/iptables?save [root@Web-Lnmp02?~]#?/etc/init.d/iptables?restart 說明: ?iptables?-F?#清除原有的filter有中的規(guī)則? ?iptables?-t?nat?-F?#清除原有的nat表中的規(guī)則 ?iptables?-P?FORWARD?ACCEPT?#缺省允許IP轉(zhuǎn)發(fā)
?如果主機(jī)上啟用了防火墻,需加上下面兩句:??
Code: ?
iptables?-A?FORWARD?-s?192.168.122.0/24?-o?eth0?-j?ACCEPT? iptables?-A?FORWARD?-d?192.168.122.0/24?-m?state?--state?ESTABLISHED,RELATED?-i?eth0?-j?ACCEPT
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