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| author | Stephen Hemminger <stephen@networkplumber.org> | 2020-04-21 22:34:48 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-04-23 04:29:26 +0200 |
| commit | 5cc4adbcfcad8a85fb19216c53bfc4e9fd9f6c7d (patch) | |
| tree | 30d69c7ca10d2a0ef91437c6331d4878bf04abbd /Documentation | |
| parent | Merge branch 'sctp-fixes' (diff) | |
| download | linux-5cc4adbcfcad8a85fb19216c53bfc4e9fd9f6c7d.tar.xz linux-5cc4adbcfcad8a85fb19216c53bfc4e9fd9f6c7d.zip | |
Documentation: add documentation of ping_group_range
Support for non-root users to send ICMP ECHO requests was added
back in Linux 3.0 kernel, but the documentation for the sysctl
to enable it has been missing.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/networking/ip-sysctl.txt | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt index 6fcfd313dbe4..9375324aa8e1 100644 --- a/Documentation/networking/ip-sysctl.txt +++ b/Documentation/networking/ip-sysctl.txt @@ -983,6 +983,13 @@ ip_early_demux - BOOLEAN reduces overall throughput, in such case you should disable it. Default: 1 +ping_group_range - 2 INTEGERS + Restrict ICMP_PROTO datagram sockets to users in the group range. + The default is "1 0", meaning, that nobody (not even root) may + create ping sockets. Setting it to "100 100" would grant permissions + to the single group. "0 4294967295" would enable it for the world, "100 + 4294967295" would enable it for the users, but not daemons. + tcp_early_demux - BOOLEAN Enable early demux for established TCP sockets. Default: 1 |