diff --git a/selinux/README.md b/selinux/README.md
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--- /dev/null
+++ b/selinux/README.md
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+# Shadowsocks SELinux Policy
+
+## Prerequisites
+
+Install required SELinux development tools:
+```bash
+dnf upgrade && dnf install setools-console policycoreutils-python-utils selinux-policy-devel make
+```
+
+## Creating SELinux Policy
+
+### 1. Compile the policy
+
+```bash
+make -f /usr/share/selinux/devel/Makefile shadowsocks.pp
+```
+
+### 2. Install the policy module
+
+```bash
+semodule -i shadowsocks.pp
+```
+
+## Apply File Contexts
+
+### 1. Add file context mappings
+
+```bash
+semanage fcontext -a -t shadowsocks_exec_t "/usr/bin/ssservice"
+semanage fcontext -a -t shadowsocks_conf_t "/etc/shadowsocks(/.*)?"
+semanage fcontext -a -t shadowsocks_unit_file_t "/usr/lib/systemd/system/ss-server@.*\.service"
+```
+
+### 2. Apply contexts to files
+
+```bash
+restorecon -v /etc/systemd/system/ss-server@.service
+restorecon -R /usr/bin/ssservice /etc/shadowsocks
+```
+
+### 3. Start the service
+
+```bash
+systemctl start ss-server@main
+```
+
+### 4. Verify the policy is working
+
+```bash
+# Check that shadowsocks is running in the correct domain
+ps -eZ | grep ssservice
+# Should show: system_u:system_r:shadowsocks_t:s0 (not unconfined_service_t)
+```
+
+## Troubleshooting
+### Check for SELinux denials
+
+```bash
+# View recent AVC denials
+ausearch -m avc -ts recent | grep denied
+
+# Generate additional policy rules if needed
+ausearch -m avc -ts recent | grep shadowsocks | audit2allow
+```
+
+### Update policy if needed
+
+If you need to add more permissions:
+
+```bash
+# Edit shadowsocks.te file
+# Recompile and update
+make -f /usr/share/selinux/devel/Makefile shadowsocks.pp
+semodule -u shadowsocks.pp
+```
+
+### Remove policy (if needed)
+
+```bash
+# Remove file contexts first
+semanage fcontext -d "/usr/bin/ssservice"
+semanage fcontext -d "/etc/shadowsocks(/.*)?"
+semanage fcontext -d "/usr/lib/systemd/system/ss-server@.*\.service"
+
+# Reset file labels
+restorecon -F /usr/bin/ssservice
+restorecon -RF /etc/shadowsocks
+
+# Remove the policy module
+semodule -r shadowsocks
+```
+
+## Security Benefits
+
+This policy provides several security improvements over running shadowsocks as `unconfined_service_t`:
+
+- **Principle of least privilege**: Only grants necessary permissions
+- **Network isolation**: Controls which ports and connections are allowed
+- **File system protection**: Restricts file access to configuration and required system files
+- **Process isolation**: Runs in a dedicated SELinux domain
+- **Audit trail**: All access attempts are logged for security monitoring
+
+## Notes
+
+- The policy includes optional monitoring features (cgroup access, DNS watching)
+- File contexts use equivalency rules between `/etc/systemd/system` and `/usr/lib/systemd/system`
diff --git a/selinux/shadowsocks.fc b/selinux/shadowsocks.fc
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--- /dev/null
+++ b/selinux/shadowsocks.fc
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+/usr/bin/ssservice              --      gen_context(system_u:object_r:shadowsocks_exec_t,s0)
+/etc/shadowsocks(/.*)?          --      gen_context(system_u:object_r:shadowsocks_conf_t,s0)
+/usr/lib/systemd/system/ss-server@.*\.service  --      gen_context(system_u:object_r:shadowsocks_unit_file_t,s0)
diff --git a/selinux/shadowsocks.te b/selinux/shadowsocks.te
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--- /dev/null
+++ b/selinux/shadowsocks.te
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+policy_module(shadowsocks, 1.0.0)
+
+########################################
+#
+# Declarations
+#
+
+type shadowsocks_t;
+type shadowsocks_exec_t;
+init_daemon_domain(shadowsocks_t, shadowsocks_exec_t)
+
+type shadowsocks_conf_t;
+files_config_file(shadowsocks_conf_t)
+
+type shadowsocks_unit_file_t;
+systemd_unit_file(shadowsocks_unit_file_t)
+
+########################################
+#
+# shadowsocks local policy
+#
+
+# Domain transition rules
+domain_auto_trans(init_t, shadowsocks_exec_t, shadowsocks_t)
+allow init_t shadowsocks_t:process2 nnp_transition;
+
+# Allow shadowsocks to use its own executable as entrypoint
+allow shadowsocks_t shadowsocks_exec_t:file { entrypoint ioctl lock };
+
+# Network sockets
+allow shadowsocks_t self:tcp_socket create_stream_socket_perms;
+allow shadowsocks_t self:udp_socket create_socket_perms;
+allow shadowsocks_t self:process signal_perms;
+
+# Configuration files
+allow shadowsocks_t shadowsocks_conf_t:file read_file_perms;
+allow shadowsocks_t shadowsocks_conf_t:dir list_dir_perms;
+
+# Network access
+corenet_tcp_bind_generic_node(shadowsocks_t)
+corenet_udp_bind_generic_node(shadowsocks_t)
+corenet_tcp_connect_all_ports(shadowsocks_t)
+corenet_tcp_bind_all_ports(shadowsocks_t)
+corenet_udp_bind_all_ports(shadowsocks_t)
+
+# System access
+kernel_read_system_state(shadowsocks_t)
+dev_read_urand(shadowsocks_t)
+files_read_etc_files(shadowsocks_t)
+miscfiles_read_localization(shadowsocks_t)
+logging_send_syslog_msg(shadowsocks_t)
+
+# Network configuration and DNS resolution
+sysnet_read_config(shadowsocks_t)
+sysnet_dns_name_resolve(shadowsocks_t)
+allow shadowsocks_t net_conf_t:file { read_file_perms watch };
+
+# Cgroup access for resource monitoring
+fs_search_cgroup_dirs(shadowsocks_t)
+fs_getattr_cgroup(shadowsocks_t)
+allow shadowsocks_t cgroup_t:file { getattr open read };
+allow shadowsocks_t cgroup_t:dir { search getattr };