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Revert "tor: chill on the sysctl"

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This reverts commit dd4e3added.
This commit is contained in:
Casper V. Kristensen 2024-12-19 21:12:06 +01:00
parent 2dc56d210d
commit b3cbe7e66f
1 changed files with 15 additions and 15 deletions
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hosts/tor/tor.nix
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@ -101,20 +101,20 @@
# to store received frames after removing them from the network adapter's # to store received frames after removing them from the network adapter's
# ring buffer. High speed adapters should use a high value to prevent the # ring buffer. High speed adapters should use a high value to prevent the
# queue from becoming full and dropping packets causing retransmits. # queue from becoming full and dropping packets causing retransmits.
# "net.core.netdev_max_backlog" = 262144; "net.core.netdev_max_backlog" = 262144;
# Increase TCP read/write buffers to enable scaling to a larger window # Increase TCP read/write buffers to enable scaling to a larger window
# size. Larger windows increase the amount of data to be transferred before # size. Larger windows increase the amount of data to be transferred before
# an acknowledgement (ACK) is required. This reduces overall latencies and # an acknowledgement (ACK) is required. This reduces overall latencies and
# results in increased throughput. # results in increased throughput.
# "net.core.rmem_max" = 33554432; "net.core.rmem_max" = 33554432;
# "net.core.wmem_max" = 33554432; "net.core.wmem_max" = 33554432;
# "net.ipv4.tcp_rmem" = "4096 131072 33554432"; "net.ipv4.tcp_rmem" = "4096 131072 33554432";
# "net.ipv4.tcp_wmem" = "4096 65536 33554432"; "net.ipv4.tcp_wmem" = "4096 65536 33554432";
# Reduce the length of time an orphaned connection will wait before it is # Reduce the length of time an orphaned connection will wait before it is
# aborted. For workloads or systems that generate or support high levels of # aborted. For workloads or systems that generate or support high levels of
# network traffic, it can be advantageous to more aggressively reclaim dead # network traffic, it can be advantageous to more aggressively reclaim dead
# or stale resources. # or stale resources.
# "net.ipv4.tcp_fin_timeout" = 10; "net.ipv4.tcp_fin_timeout" = 10;
# Maximal number of TCP sockets not attached to any user file handle, held # Maximal number of TCP sockets not attached to any user file handle, held
# by system. If this number is exceeded orphaned connections are reset # by system. If this number is exceeded orphaned connections are reset
# immediately and warning is printed. This limit exists only to prevent # immediately and warning is printed. This limit exists only to prevent
@ -124,33 +124,33 @@
# and tune network services to linger and kill such states more # and tune network services to linger and kill such states more
# aggressively. Let me to remind again: each orphan eats up to ~64K of # aggressively. Let me to remind again: each orphan eats up to ~64K of
# unswappable memory. # unswappable memory.
# "net.ipv4.tcp_max_orphans" = 262144; "net.ipv4.tcp_max_orphans" = 262144;
# Maximal number of timewait sockets held by system simultaneously. If this # Maximal number of timewait sockets held by system simultaneously. If this
# number is exceeded time-wait socket is immediately destroyed and warning # number is exceeded time-wait socket is immediately destroyed and warning
# is printed. This limit exists only to prevent simple DoS attacks, you # is printed. This limit exists only to prevent simple DoS attacks, you
# _must_ not lower the limit artificially, but rather increase it # _must_ not lower the limit artificially, but rather increase it
# (probably, after increasing installed memory), if network conditions # (probably, after increasing installed memory), if network conditions
# require more than default value. # require more than default value.
# "net.ipv4.tcp_max_tw_buckets" = 2097152; "net.ipv4.tcp_max_tw_buckets" = 2097152;
# In high traffic environments, sockets are created and destroyed at very # In high traffic environments, sockets are created and destroyed at very
# high rates. This parameter, when set, allows "no longer needed" and # high rates. This parameter, when set, allows "no longer needed" and
# "about to be destroyed" sockets to be used for new connections. When # "about to be destroyed" sockets to be used for new connections. When
# enabled, this parameter can bypass the allocation and initialization # enabled, this parameter can bypass the allocation and initialization
# overhead normally associated with socket creation saving CPU cycles, # overhead normally associated with socket creation saving CPU cycles,
# system load and time. # system load and time.
# "net.ipv4.tcp_tw_reuse" = 1; "net.ipv4.tcp_tw_reuse" = 1;
# Aggressivelly check for and close broken connections # Aggressivelly check for and close broken connections
# "net.ipv4.tcp_keepalive_time" = 60; "net.ipv4.tcp_keepalive_time" = 60;
# "net.ipv4.tcp_keepalive_probes" = 3; "net.ipv4.tcp_keepalive_probes" = 3;
# "net.ipv4.tcp_keepalive_intvl" = 10; "net.ipv4.tcp_keepalive_intvl" = 10;
# Increase the length of the SYN queue and socket listen() backlog to # Increase the length of the SYN queue and socket listen() backlog to
# accommodate more connections waiting to connect. # accommodate more connections waiting to connect.
# "net.ipv4.tcp_max_syn_backlog" = 262144; "net.ipv4.tcp_max_syn_backlog" = 262144;
# "net.core.somaxconn" = 32768; "net.core.somaxconn" = 32768;
# Expand local port range used for outgoing connections # Expand local port range used for outgoing connections
"net.ipv4.ip_local_port_range" = "1025 65530"; "net.ipv4.ip_local_port_range" = "1025 65530";
# Disable RFC1323 timestamps (TODO: why?) # Disable RFC1323 timestamps (TODO: why?)
# "net.ipv4.tcp_timestamps" = 0; "net.ipv4.tcp_timestamps" = 0;
}; };
# Mounting /var/lib/tor/ relies on the 'tor' user having the same static # Mounting /var/lib/tor/ relies on the 'tor' user having the same static