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linux:sysctl [2009/05/25 00:35] 127.0.0.1 external edit |
linux:sysctl [2011/11/10 16:25] greebo |
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====== Linux sysctl options ====== | ====== Linux sysctl options ====== | ||
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# | # | ||
# Do not send ICMP redirects (we are not a router) | # Do not send ICMP redirects (we are not a router) | ||
- | net/ | + | net/ |
# Do not accept IP source route packets (we are not a router) | # Do not accept IP source route packets (we are not a router) | ||
- | net/ | + | net/ |
# tcp/ip tweak - window size | # tcp/ip tweak - window size | ||
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===== Misc add-on options on good to know bases ===== | ===== Misc add-on options on good to know bases ===== | ||
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+ | ==== TCP "thin streams" | ||
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+ | If you're using ssh logins over lossy networks (such as many mesh networks), you may be annoyed at the random delays you get after a loss event. | ||
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+ | Linux 2.6.34 and later is able to use a more aggressive variant of TCP when a given TCP flow is detected as being " | ||
+ | aggressive TCP variant is only used with " | ||
+ | of connections. | ||
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+ | This optimisation is enabled by putting the following in ''/ | ||
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+ | | ||
+ | | ||
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+ | Since it's a sender-only modification to TCP, the effect will be most dramatic if you do that on the client. | ||
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+ | For more information, | ||
==== Reboot on kernel panic ==== | ==== Reboot on kernel panic ==== |