naga_sawa https://blog.hatena.ne.jp/naga_sawa/ ..たれろぐ.. https://naga-sawa.hatenadiary.org/ Linux tips Ubuntu の ufw で外向き通信を $ ufw default deny outgoingとデフォルト禁止に固めてる場合に ping すると Operation not permitted が出て ping 通らない問題。 $ ping 192.168.1.1 PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data. ping: sendmsg: Operation not permitted ping: sendmsg: Operation not permitted/etc/ufw/before.rules に以下のように外向き icm… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fnaga-sawa.hatenadiary.org%2Fentry%2F20171006%2F1507304397" title="ping: sendmsg: Operation not permitted - ..たれろぐ.." class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2017-10-06 00:39:57 rich https://naga-sawa.hatenadiary.org/entry/20171006/1507304397 1.0 100%