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docs(sysctl): update descriptions for SACK

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Signed-off-by: k4yt3x <i@k4yt3x.com>
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k4yt3x 2025-08-24 00:00:00 +00:00
parent 34a29c3cf9
commit 56979a5786
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1 changed files with 5 additions and 5 deletions
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sysctl.conf
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@ -4,11 +4,11 @@
# Contributor: HorlogeSkynet
# Contributor: shenzhui007
# Date Created: October 5, 2020
# Last Updated: July 14, 2024
# Last Updated: August 23, 2025
# Licensed under the GNU General Public License Version 3 (GNU GPL v3),
# available at: https://www.gnu.org/licenses/gpl-3.0.txt
# (C) 2020-2024 K4YT3X
# (C) 2020-2025 K4YT3X
# Multiple sources have been consulted while writing this configuration
# file (e.g., nixCraft's sysctl.conf). Some sources may not have been cited.
@ -237,9 +237,9 @@ net.ipv4.ip_local_port_range = 1024 65535
# - 2: enable timestamps without random offsets
net.ipv4.tcp_timestamps = 0
# enabling SACK can increase the throughput
# but SACK is commonly exploited and rarely used
# re-enable this if you experience issues transferring large files over SMB
# enabling SACK can improve congestion control and throughput
# but it could also be leveraged to exhaust system resources
# re-enable SACK if you experience performance issues transferring large files
net.ipv4.tcp_sack = 0
net.ipv4.tcp_dsack = 0
net.ipv4.tcp_fack = 0