root@falcon21:~# iptables-save Generated by iptables-save v1.8.11 (nf_tables) on Mon Apr 20 21:09:22 2026 *fil […]
タグ: iptables
iptablesで、特定ipアドレスをブロック
対象 grep “postfix” /var/log/maillog | grep “warning” does not resolve to address 137.1 […]
ハードからソフトまで、あらゆるPC関連項目についての覚書
root@falcon21:~# iptables-save Generated by iptables-save v1.8.11 (nf_tables) on Mon Apr 20 21:09:22 2026 *fil […]
対象 grep “postfix” /var/log/maillog | grep “warning” does not resolve to address 137.1 […]