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authorStephen Hemminger <shemminger@osdl.org>2006-11-09 19:35:15 -0500
committerDavid S. Miller <davem@sunset.davemloft.net>2006-12-03 00:21:49 -0500
commitce7bc3bf15cbf5dc5a5587ccb6b04c5b4dde4336 (patch)
tree20ccf7f98ac5d1aabbc706fa876e8f361219db97 /Documentation/networking/ip-sysctl.txt
parent3ff825b28d3345ef381eceae22bf9d92231f23dc (diff)
[TCP]: Restrict congestion control choices.
Allow normal users to only choose among a restricted set of congestion control choices. The default is reno and what ever has been configured as default. But the policy can be changed by administrator at any time. For example, to allow any choice: cp /proc/sys/net/ipv4/tcp_available_congestion_control \ /proc/sys/net/ipv4/tcp_allowed_congestion_control Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/networking/ip-sysctl.txt')
-rw-r--r--Documentation/networking/ip-sysctl.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt
index db4280856588..bbcc8deda172 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -351,6 +351,12 @@ tcp_frto - BOOLEAN
351 where packet loss is typically due to random radio interference 351 where packet loss is typically due to random radio interference
352 rather than intermediate router congestion. 352 rather than intermediate router congestion.
353 353
354tcp_allowed_congestion_control - STRING
355 Show/set the congestion control choices available to non-privileged
356 processes. The list is a subset of those listed in
357 tcp_available_congestion_control.
358 Default is "reno" and the default setting (tcp_congestion_control).
359
354tcp_available_congestion_control - STRING 360tcp_available_congestion_control - STRING
355 Shows the available congestion control choices that are registered. 361 Shows the available congestion control choices that are registered.
356 More congestion control algorithms may be available as modules, 362 More congestion control algorithms may be available as modules,