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| author | Daniil Baturin <daniil.baturin@vyatta.com> | 2011-11-04 05:55:45 +0700 |
|---|---|---|
| committer | Daniil Baturin <daniil.baturin@vyatta.com> | 2011-11-04 05:55:45 +0700 |
| commit | e59537545e40756a893134c25eff533ccce3adb8 (patch) | |
| tree | 85110d89d4ea23c2650b0d0f42b3cbd32a150dd9 /templates-cfg/system/conntrack/tcp | |
| parent | 174565005c06c4b7cc6f64b977f63f87b9bd75df (diff) | |
| download | vyatta-conntrack-e59537545e40756a893134c25eff533ccce3adb8.tar.gz vyatta-conntrack-e59537545e40756a893134c25eff533ccce3adb8.zip | |
Move templates t templates-cfg to let op mode templates also exist.
Diffstat (limited to 'templates-cfg/system/conntrack/tcp')
4 files changed, 77 insertions, 0 deletions
diff --git a/templates-cfg/system/conntrack/tcp/half-open-connections/node.def b/templates-cfg/system/conntrack/tcp/half-open-connections/node.def new file mode 100644 index 0000000..9474463 --- /dev/null +++ b/templates-cfg/system/conntrack/tcp/half-open-connections/node.def @@ -0,0 +1,13 @@ +type: u32 + +help: Maximum number of TCP half-open connections + +default: 512 + +val_help: u32:1-2147483647; Generic connection timeout in seconds + +syntax:expression: ($VAR(@) >= 1 && $VAR(@) <= 2147483647) ; "Value must be between 1 and 2147483647" + +update: sudo sysctl -q -w net/ipv4/tcp_max_syn_backlog=$VAR(@) + +delete: sudo sysctl -q -w net/ipv4/tcp_max_syn_backlog=512 diff --git a/templates-cfg/system/conntrack/tcp/loose/node.def b/templates-cfg/system/conntrack/tcp/loose/node.def new file mode 100644 index 0000000..06706a2 --- /dev/null +++ b/templates-cfg/system/conntrack/tcp/loose/node.def @@ -0,0 +1,50 @@ +# +# This parameter directs the netfilter TCP connection tracking modules +# (nf_conntrack, and others) to either allow or disallow the tracking +# of TCP connections which are "previously established". This +# includes all cases where the three-way connection opening handshake +# was not seen by this machine. That includes the case the connection +# was opened before this machine booted. It also includes cases where +# the packets comprising the three-way handshake were routed via some +# other router. +# +# If this parameter is set to "enable", tracking such connections is +# allowed. If disabled, such tracking is disabled. +# default value - 1 + +type: txt + +help: Policy to track previously established connections + +val_help: enable; Allow tracking of previously established connections +val_help: disable; Do not allow tracking of previously established connections + +default: "enable" + +syntax:expression: $VAR(@) in "enable", "disable"; "must be either enable or disable" + +update: + if [ ! -e /proc/sys/net/ipv4/netfilter/ip_conntrack_tcp_loose ]; then + sudo modprobe nf_conntrack_ipv4 + fi + if [ "$VAR(@)" = "enable" ]; then + sudo sysctl -q -w net/ipv4/netfilter/ip_conntrack_tcp_loose=1 + elif [ "$VAR(@)" = "disable" ]; then + sudo sysctl -q -w net/ipv4/netfilter/ip_conntrack_tcp_loose=0 + else + echo "Invalid parameter: $VAR(@)" + exit 1 + fi + +delete: + if [ ! -e /proc/sys/net/ipv4/netfilter/ip_conntrack_tcp_loose ]; then + sudo modprobe nf_conntrack_ipv4 + fi + sudo sysctl -q -w net/ipv4/netfilter/ip_conntrack_tcp_loose=1 + + + + + + + diff --git a/templates-cfg/system/conntrack/tcp/max-retrans/node.def b/templates-cfg/system/conntrack/tcp/max-retrans/node.def new file mode 100644 index 0000000..bf56f1f --- /dev/null +++ b/templates-cfg/system/conntrack/tcp/max-retrans/node.def @@ -0,0 +1,13 @@ +type: u32 + +help: TCP maximum retransmit attempts + +default: 3 + +val_help: u32:1-2147483647; Generic connection timeout in seconds + +syntax:expression: ($VAR(@) >= 1 && $VAR(@) <= 2147483647) ; "Value must be between 1 and 2147483647" + +update: sudo sysctl -q -w net/netfilter/nf_conntrack_tcp_max_retrans=$VAR(@) + +delete: sudo sysctl -q -w net/netfilter/nf_conntrack_tcp_max_retrans=3 diff --git a/templates-cfg/system/conntrack/tcp/node.def b/templates-cfg/system/conntrack/tcp/node.def new file mode 100644 index 0000000..67543ca --- /dev/null +++ b/templates-cfg/system/conntrack/tcp/node.def @@ -0,0 +1 @@ +help: TCP options
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