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systemd: restrict permissions #778

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Merged
mmatczuk merged 2 commits into from
Apr 8, 2024
Merged

systemd: restrict permissions #778

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6258d54
packaging/systemd: restrict permissions
Choraden Apr 5, 2024
b044cf0
local/linux: run container in privileged mode
Choraden Apr 8, 2024
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2 changes: 1 addition & 1 deletion local/linux/Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -33,7 +33,7 @@ fedora: forwarder.rpm

.PHONY: .up
.up:
@podman run -p 3128:3128 -d -v ./forwarder.$(EXT):/forwarder.$(EXT) --name forwarder-testing --replace $(IMG)
@podman run -p 3128:3128 -d -v ./forwarder.$(EXT):/forwarder.$(EXT) --privileged --name forwarder-testing --replace $(IMG)
@podman exec forwarder-testing $(INSTALL_CMD) "/forwarder.$(EXT)"
@podman cp ./forwarder.yaml forwarder-testing:/etc/forwarder/forwarder.yaml
@podman exec forwarder-testing systemctl start forwarder
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35 changes: 31 additions & 4 deletions packaging/systemd/forwarder.service
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Expand Up @@ -6,17 +6,44 @@ After=network-online.target
Type=simple
User=forwarder
Group=forwarder
LimitCORE=infinity
EnvironmentFile=/etc/default/forwarder
ExecStart=/usr/bin/forwarder run
TimeoutStartSec=900
TimeoutStopSec=900
EnvironmentFile=/etc/default/forwarder

PrivateDevices=true
PrivateTmp=true
ProtectClock=true
ProtectControlGroups=true
ProtectHostname=true
ProtectKernelLogs=true
ProtectKernelModules=true
ProtectKernelTunables=true
ProtectProc=invisible
RestrictAddressFamilies=AF_UNIX AF_INET AF_INET6 AF_NETLINK
RestrictRealtime=true
MemoryDenyWriteExecute=true
NoNewPrivileges=true
LockPersonality=true
ProcSubset=pid
SystemCallArchitectures=native
SystemCallFilter=@system-service
# Uncomment the following lines if your service requires binding to ports <1024.
#AmbientCapabilities=CAP_NET_BIND_SERVICE
#CapabilityBoundingSet=CAP_NET_BIND_SERVICE

KillMode=process
Restart=on-failure
RestartSec=30s
RestartPreventExitStatus=1
TimeoutStartSec=60
TimeoutStopSec=600

SyslogIdentifier=forwarder
StandardOutput=journal
StandardError=journal
SyslogLevelPrefix=false

LimitCORE=infinity
LimitNPROC=64

[Install]
WantedBy=multi-user.target