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Revision e6d43cfb

IDe6d43cfb1f937898dc031c7b38a23e5ccad8bd9a

Added by Jan Kiszka over 9 years ago

slirp: Forward ICMP echo requests via unprivileged sockets

Linux 3.0 gained support for unprivileged ICMP ping sockets. Use this
feature to forward guest pings to the outer world. The host admin has to
set the ping_group_range in order to grant access to those sockets. To
allow ping for the users group (GID 100):

echo 100 100 > /proc/sys/net/ipv4/ping_group_range

Signed-off-by: Jan Kiszka <>
Signed-off-by: Anthony Liguori <>

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