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-rw-r--r--system/cage/README.SLACKWARE22
1 files changed, 22 insertions, 0 deletions
diff --git a/system/cage/README.SLACKWARE b/system/cage/README.SLACKWARE
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index 0000000000..3cac4ce8e5
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+++ b/system/cage/README.SLACKWARE
@@ -0,0 +1,22 @@
+For example:
+
+root@pc:~# chmod 0755 /bin/ping
+root@pc:~# setcap 'cap_net_raw=ie' /bin/ping
+
+root@pc:~# su menno
+menno@pc:/root$ ping -c1 www.zonnet.nl
+ping: icmp open socket: Operation not permitted
+menno@pc:/root$ exit
+
+root@pc:~# cage -u 1000 -c 'cap_setuid=pe cap_net_raw=pie' / /bin/sh
+menno@pc:/$ ping -c1 www.zonnet.nl
+PING www.zonnet.nl (62.58.50.202) 56(84) bytes of data.
+64 bytes from www.tele2.nl (62.58.50.202): icmp_seq=1 ttl=116 time=27.0 ms
+
+--- www.zonnet.nl ping statistics ---
+1 packets transmitted, 1 received, 0% packet loss, time 0ms
+rtt min/avg/max/mdev = 27.054/27.054/27.054/0.000 ms
+menno@pc:/$ /sbin/getpcaps $$
+Capabilities for `7242': = cap_net_raw+i
+menno@pc:/$ exit
+