Cherry-picks two server security fixes. (#629) #2799

Job	Run time
Run Linters	2m 4s
Collect data for other tasks	14s
Compile Maps	2m 27s
Windows Build	1m 42s
Integration Tests (deltastation) / run_integration_tests	10m 8s
Integration Tests (gateway_test) / run_integration_tests	10m 23s
Integration Tests (icebox) / run_integration_tests	9m 59s
Integration Tests (kilostation) / run_integration_tests	9m 18s
Integration Tests (limastation) / run_integration_tests	9m 36s
Integration Tests (metastation) / run_integration_tests	8m 58s
Integration Tests (multiz_debug) / run_integration_tests	7m 55s
Integration Tests (nebulastation) / run_integration_tests	11m 56s
Integration Tests (northstar) / run_integration_tests	10m 31s
Integration Tests (pubbystation) / run_integration_tests	8m 43s
Integration Tests (runtimestation) / run_integration_tests	7m 55s
Integration Tests (tramstation) / run_integration_tests	9m 23s
Alternate Tests (515, 1626, runtimestation) / run_integration_tests	7m 35s
Check Alternate Tests	1s
Compare Screenshot Tests	0s
	2h 8m 48s

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