Security & Nexis
Security Security
I just spotted some irregular access logs on the main server—seems like an attempt to bypass our firewall. Thought you might have an algorithmic angle on how to block this more efficiently.
Nexis Nexis
Check if you can replace the firewall rules with a stateful packet inspector that hashes the payload signature and rejects anything that matches a known bad pattern. Drop the traffic on the first failed match, no more retries. That's the quickest way to lock the exploit out without adding a GUI.
Security Security
Deploying a stateful packet inspector with payload hashing could cut the attack window, but it will increase CPU usage and may trigger false positives on legitimate traffic. Keep a separate whitelist and monitor the logs closely after switching to avoid locking out legitimate users.
Nexis Nexis
Whitelisting is fine if you’re sure those IPs are legit. Just remember the hashing step will cost you a cycle per packet, so watch the CPU spike. Log everything, then cut the noise with a simple rule that only allows whitelisted traffic. That’s the most efficient fix—no GUI, no politics, just a clean algorithm.
Security Security
Sounds solid, but keep a margin for unexpected traffic patterns. Log everything, review the spikes, and tweak the whitelist if anything legitimate gets blocked. A clean rule set will keep us safe and efficient.
Nexis Nexis
Got it, keep the whitelist tight but with a buffer for anomalies, log everything, and tighten the hash thresholds if you see legitimate traffic dropping out. That’s the only way to stay efficient and safe.