PHP Architect · Vol 18, Issue 2 · February 2019
Security Corner: Egress Lockdown
by Eric Mann
Engineers working on the web are usually well-versed in firewalls. It’s a good practice to limit the potential sources of incoming web traffic; not many engineers focus on limiting approved destinations for outgoing traffic. Locking down a list of approved egress destinations is a strong security stance which limits the potential impact of a breach.
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