git: 620042a66b68 - main - tcp.4: undocument compressed TIME_WAIT
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Date: Mon, 31 Oct 2022 16:03:31 UTC
The branch main has been updated by glebius: URL: https://cgit.FreeBSD.org/src/commit/?id=620042a66b682939bdfb0eb6db120453d29b0e4a commit 620042a66b682939bdfb0eb6db120453d29b0e4a Author: Gleb Smirnoff <glebius@FreeBSD.org> AuthorDate: 2022-10-31 16:02:33 +0000 Commit: Gleb Smirnoff <glebius@FreeBSD.org> CommitDate: 2022-10-31 16:02:33 +0000 tcp.4: undocument compressed TIME_WAIT --- share/man/man4/tcp.4 | 19 +------------------ 1 file changed, 1 insertion(+), 18 deletions(-) diff --git a/share/man/man4/tcp.4 b/share/man/man4/tcp.4 index ba5d57bcf46c..1fca883a7d15 100644 --- a/share/man/man4/tcp.4 +++ b/share/man/man4/tcp.4 @@ -753,23 +753,6 @@ A value of 2 results in any packets to closed ports being logged. Any value not listed above disables the logging (default is 0, i.e., the logging is disabled). -.It Va maxtcptw -When a TCP connection enters the -.Dv TIME_WAIT -state, its associated socket structure is freed, since it is of -negligible size and use, and a new structure is allocated to contain a -minimal amount of information necessary for sustaining a connection in -this state, called the compressed TCP -.Dv TIME_WAIT -state. -Since this structure is smaller than a socket structure, it can save -a significant amount of system memory. -The -.Va net.inet.tcp.maxtcptw -MIB variable controls the maximum number of these structures allocated. -By default, it is initialized to -.Va kern.ipc.maxsockets -/ 5. .It Va minmss Minimum TCP Maximum Segment Size; used to prevent a denial of service attack from an unreasonably low MSS. @@ -786,7 +769,7 @@ application limited and the network bandwidth is not utilized completely. That prevents self-inflicted packet losses once the application starts to transmit data at a higher speed. .It Va nolocaltimewait -Suppress creation of compressed TCP +Suppress creation of TCP .Dv TIME_WAIT states for connections in which both endpoints are local.