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Re: 問題ID:10794 iptables
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最強WEB問題集LinuC/LPIC Lv3 303
投稿ﾕｰｻﾞ(投稿日)
(2021/10/8)
本文
Ubuntuでも確認してみました｡こちらのmanでは更新されていますね｡

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$ cat /etc/os-release
NAME="Ubuntu"
VERSION="20.04.3 LTS (Focal Fossa)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 20.04.3 LTS"
VERSION_ID="20.04"
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
VERSION_CODENAME=focal
UBUNTU_CODENAME=focal
$ uname -a
Linux ubuntu-utc 5.11.0-37-generic #41~20.04.2-Ubuntu SMP Fri Sep 24 09:06:38 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
$ iptables --version
iptables v1.8.4 (legacy)
$ man iptables
...skipping...
nat:
This table is consulted when a packet that creates a new connection is encountered. It consists of four built-ins: PREROUTING (for altering packets
as soon as they come in), INPUT (for altering packets destined for local sockets), OUTPUT (for altering locally-generated packets before routing),
and POSTROUTING (for altering packets as they are about to go out). IPv6 NAT support is available since kernel 3.7.
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