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systemd: disable tcp timestamps. #110

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Merged
anujm1 merged 1 commit into from
May 21, 2025
Merged

systemd: disable tcp timestamps. #110

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3 changes: 3 additions & 0 deletions SPECS/systemd/99-tcp-timestamps.conf
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Original file line number Diff line number Diff line change
@@ -0,0 +1,3 @@
# disable TCP timestamps option in the TCP header.
# The value 0 disables timestamps and 1 enables timestamps.
net.ipv4.tcp_timestamps = 0
1 change: 1 addition & 0 deletions SPECS/systemd/systemd.signatures.json
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@
"99-yama-ptrace.conf": "5a4876d61267e5748b4765923a8d169136fc5c161d7f363250dc24849c7cfe80",
"99-net-core-bpf-jit-harden.conf": "5eb31e2e240cab5f57217be2e9460af2cb989d9e3fc4c7c7b50cbba536d8e7f2",
"99-kernel.conf": "0ddcedb57a5ec3be92ffd6ea88b2fd4e1ab16e8fee0fda58727757c77ad688cb",
"99-tcp-timestamps.conf": "698d35fe8117ffd8afb47a25aae9cc0cc7b3424c837c7eec27f77a9dea009972",
"macros.sysusers": "b7c3941912208657b68a5890b8e320d626a6bc17290a223b46071e251b240160",
"split-files.py": "ff2ace09f116028299f75ab1f81ca467a6dc4e7ad38c27c22d2e8dd1229ad0dd",
"sysctl.conf.README": "51d16ee2e7eef12dd42e924af6b835861e8b79d11921ba0418d7d0aec7a2a93b",
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9 changes: 8 additions & 1 deletion SPECS/systemd/systemd.spec
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Expand Up @@ -50,7 +50,7 @@ Version: 255
# determine the build information from local checkout
Version: %(tools/meson-vcs-tag.sh . error | sed -r 's/-([0-9])/.^\1/; s/-g/_g/')
%endif
Release: 27%{?dist}
Release: 28%{?dist}

# FIXME - hardcode to 'stable' for now as that's what we have in our blobstore
%global stable 1
Expand Down Expand Up @@ -109,6 +109,7 @@ Source27: 99-magic-sysrq.conf
Source28: 99-yama-ptrace.conf
Source29: 99-net-core-bpf-jit-harden.conf
Source30: 99-kernel.conf
Source31: 99-tcp-timestamps.conf

%if 0
GIT_DIR=../../src/systemd/.git git format-patch-ab --no-signature -M -N v235..v235-stable
Expand Down Expand Up @@ -882,6 +883,9 @@ install -Dm0644 10-timeout-abort.conf.user %{buildroot}%{user_unit_dir}/service.
# https://fedoraproject.org/wiki/Changes/IncreaseVmMaxMapCount
install -Dm0644 -t %{buildroot}%{_prefix}/lib/sysctl.d/ %{SOURCE17}

# Install TCP timestamp setting
install -Dm0644 -t %{buildroot}%{_prefix}/lib/sysctl.d/ %{SOURCE31}

%if 0%{?emt}
install -Dm0644 -t %{buildroot}%{_prefix}/lib/sysctl.d/ %{SOURCE18}
install -Dm0644 -t %{buildroot}%{_prefix}/lib/sysctl.d/ %{SOURCE26}
Expand Down Expand Up @@ -1233,6 +1237,9 @@ rm -f %{name}.lang
# %autochangelog. So we need to continue manually maintaining the
# changelog here.
%changelog
* Tue May 20 2025 Basavaraj unniche <[email protected]> - 255-28
- Add kernel command to disable TCP timestamps.

* Fri Mar 07 2025 Ranjan Dutta <[email protected]> - 255-27
- Bump up the version on merge frm AZL tag 3.0.20250206-3.0
- adding patch for enhancing DNSSEC signature validation integrity
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