diff --git a/comps.xml b/comps.xml
index f3635e2..4ce435a 100644
--- a/comps.xml
+++ b/comps.xml
@@ -32,6 +32,7 @@
       <packagereq type="default">ultramarine-shell-config</packagereq>
       <packagereq type="default">ultramarine-release</packagereq>
       <packagereq type="default">ultramarine-fun</packagereq>
+      <packagereq type="default">ultramarine-system-configs-core</packagereq>
       <packagereq type="default">ultramarine-phony-bookmarks</packagereq>
       <packagereq type="default">git</packagereq>
       <packagereq type="default">golang-github-ultramarine-linux-um</packagereq>
@@ -50,6 +51,7 @@
       <packagereq type="mandatory">ultramarine-repos-extras</packagereq>
       <packagereq type="default">ultramarine-backgrounds-common</packagereq>
       <packagereq type="default">ultramarine-backgrounds-compat</packagereq>
+      <packagereq type="default">ultramarine-system-configs-desktop</packagereq>
       <packagereq type="default">system76-scheduler</packagereq>
       <packagereq type="default">orca</packagereq>
       <packagereq type="default">speech-dispatcher-espeak-ng</packagereq>
diff --git a/ultramarine/release/ultramarine-release.spec b/ultramarine/release/ultramarine-release.spec
index 4b6f4a3..56c1cbd 100644
--- a/ultramarine/release/ultramarine-release.spec
+++ b/ultramarine/release/ultramarine-release.spec
@@ -85,7 +85,6 @@ Source28:   longer-default-shutdown-timeout.conf
 
 Source31:   enable-kwin-system76-scheduler-integration.service
 Source32:   org.projectatomic.rpmostree1.rules
-Source33:   50-ultramarine-networking.conf
 Source34:   ultramarine.urls
 
 Source40:   https://github.com/Ultramarine-Linux/xfce-config/archive/%{xfce_conf_commit}.tar.gz
@@ -769,7 +768,6 @@ cp -pr %{SOURCE54} %{buildroot}%{_sysconfdir}/anaconda/profile.d/ultramarine-xfc
 
 # sysctls
 mkdir -p %{buildroot}%{_prefix}/lib/sysctl.d/
-cp -pr %{SOURCE33} %{buildroot}%{_prefix}/lib/sysctl.d/50-ultramarine-networking.conf
 
 
 #########################
@@ -897,7 +895,6 @@ install -Dm0644 %{SOURCE32} -t %{buildroot}%{_datadir}/polkit-1/rules.d/
 %{_sysconfdir}/anaconda/profile.d/ultramarine-gnome.conf
 %{_sysconfdir}/anaconda/profile.d/ultramarine-plasma.conf
 %{_sysconfdir}/anaconda/profile.d/ultramarine-xfce.conf
-%{_prefix}/lib/sysctl.d/50-ultramarine-networking.conf
 %license licenses/LICENSE licenses/README.license
 %{_prefix}/lib/ultramarine-release
 %{_prefix}/lib/systemd/user.conf.d/*
diff --git a/ultramarine/ultramarine-system-configs/50-mtu-probing.conf b/ultramarine/ultramarine-system-configs/50-mtu-probing.conf
new file mode 100644
index 0000000..ce99fca
--- /dev/null
+++ b/ultramarine/ultramarine-system-configs/50-mtu-probing.conf
@@ -0,0 +1,7 @@
+# Enables MTU Probing for IPv4
+# Fixes a quirk with some home network setups and
+# some applications/games that have QoS issues with large packets
+# e.g. Minecraft, Ubisoft Connect, etc.
+# https://blog.cloudflare.com/path-mtu-discovery-in-practice/
+# https://www.reddit.com/r/linux_gaming/comments/10oc0dq/comment/j6e0ds2
+net.ipv4.tcp_mtu_probing=1
diff --git a/ultramarine/ultramarine-system-configs/anda.hcl b/ultramarine/ultramarine-system-configs/anda.hcl
new file mode 100644
index 0000000..9f131d9
--- /dev/null
+++ b/ultramarine/ultramarine-system-configs/anda.hcl
@@ -0,0 +1,6 @@
+project "pkg" {
+    rpm {
+        spec = "ultramarine-system-configs.spec"
+        sources =  "."
+    }
+}
diff --git a/ultramarine/ultramarine-system-configs/bbr.conf b/ultramarine/ultramarine-system-configs/bbr.conf
new file mode 100644
index 0000000..fc3e52c
--- /dev/null
+++ b/ultramarine/ultramarine-system-configs/bbr.conf
@@ -0,0 +1,4 @@
+# Enables the tcp_bbr kernel module
+# to enable the BBR congestion control algorithm by Google
+# https://cloud.google.com/blog/products/gcp/tcp-bbr-congestion-control-comes-to-gcp-your-internet-just-got-faster
+tcp_bbr
diff --git a/ultramarine/ultramarine-system-configs/networking-tweaks.conf b/ultramarine/ultramarine-system-configs/networking-tweaks.conf
new file mode 100644
index 0000000..d8a2eb9
--- /dev/null
+++ b/ultramarine/ultramarine-system-configs/networking-tweaks.conf
@@ -0,0 +1,9 @@
+# Enable BBR Congestion Control
+# Requires the tcp_bbr module to be loaded, defined in /etc/modules-load.d/bbr.conf
+net.core.default_qdisc = cake
+net.ipv4.tcp_congestion_control = bbr
+
+
+# Filter TCP reverse paths
+# Validate the source address of the packets, this will prevent some spoofing attacks
+net.ipv4.conf.all.rp_filter = 1
diff --git a/ultramarine/ultramarine-system-configs/tmpfiles-cleanup.conf b/ultramarine/ultramarine-system-configs/tmpfiles-cleanup.conf
new file mode 100644
index 0000000..cc07819
--- /dev/null
+++ b/ultramarine/ultramarine-system-configs/tmpfiles-cleanup.conf
@@ -0,0 +1,2 @@
+# remove files in /var/tmp older than 10 days
+D /var/tmp 1777 root root 10d
diff --git a/ultramarine/ultramarine-system-configs/ultramarine-logrotate.conf b/ultramarine/ultramarine-system-configs/ultramarine-logrotate.conf
new file mode 100644
index 0000000..4ae0fbf
--- /dev/null
+++ b/ultramarine/ultramarine-system-configs/ultramarine-logrotate.conf
@@ -0,0 +1,21 @@
+# /etc/logrotate.d/ultramarine-logrotate.conf
+
+# see "man logrotate" for details
+
+# global options do not affect preceding include directives
+
+# rotate log files daily
+daily
+
+# keep 3 weeks worth of backlogs
+rotate 3
+
+# create new (empty) log files after rotating old ones
+create
+
+# use date as a suffix of the rotated file
+dateext
+
+compress
+
+# system-specific logs may also be configured here.
diff --git a/ultramarine/ultramarine-system-configs/ultramarine-system-configs.spec b/ultramarine/ultramarine-system-configs/ultramarine-system-configs.spec
new file mode 100644
index 0000000..04783d2
--- /dev/null
+++ b/ultramarine/ultramarine-system-configs/ultramarine-system-configs.spec
@@ -0,0 +1,67 @@
+Name:           ultramarine-system-configs
+Version:        1
+Release:        1%{?dist}
+Summary:        Various configuration files for a more comfortable Ultramarine desktop experience
+BuildArch:      noarch
+License:        MIT
+URL:            https://ultramarine-linux.org
+Source1:        tmpfiles-cleanup.conf
+Source2:        ultramarine-logrotate.conf
+Source3:        networking-tweaks.conf
+Source4:        bbr.conf
+Source5:        50-mtu-probing.conf
+
+BuildRequires:  /usr/bin/install
+
+%package core
+Summary:        Core system tweaks for Ultramarine Linux
+
+%description core
+This package provides various systemd configurations that improve system performance
+and resource usage on Ultramarine Linux.
+
+%package desktop
+Summary:        Desktop-specific tweaks for Ultramarine Linux
+
+%description desktop
+This package provides various systemd configurations that optimize desktop resource usage
+and performance on Ultramarine Linux.
+
+
+%description
+This package provides various systemd configurations
+to optimize desktop resource usage and performance on Ultramarine Linux.
+
+The configs attempt to reduce disk usage for journaling and logging, and
+cleaning up of unused temporary files periodically.
+
+%prep
+
+%build
+
+
+
+%install
+install -Dm644 %{SOURCE1} %{buildroot}/etc/tmpfiles.d/tmpfiles-cleanup.conf
+install -Dm644 %{SOURCE2} %{buildroot}/etc/logrotate.d/ultramarine-logrotate.conf
+install -Dm644 %{SOURCE3} %{buildroot}/etc/sysctl.d/50-networking-tweaks.conf
+install -Dm644 %{SOURCE4} %{buildroot}/etc/modules-load.d/bbr.conf
+install -Dm644 %{SOURCE5} %{buildroot}/etc/sysctl.d/50-mtu-probing.conf
+
+%files
+
+
+%files core
+%defattr(-,root,root,-)
+%config /etc/sysctl.d/50-networking-tweaks.conf
+%config /etc/modules-load.d/bbr.conf
+
+%files desktop
+%defattr(-,root,root,-)
+%config /etc/tmpfiles.d/tmpfiles-cleanup.conf
+%config /etc/logrotate.d/ultramarine-logrotate.conf
+%config /etc/sysctl.d/50-mtu-probing.conf
+
+%changelog
+* Sat Aug 03 2024 Cappy Ishihara <cappy@cappuchino.xyz>
+- Initial release