17How do you run tcpdump on a production host without making things worse, and what do you do with the capture?▼medium★ EssentialNewCloudflareNetflixDatadog○ sign inMost candidates can recite the flags. The scored part is proving you can capture on a saturated box without adding load, then read the file afterward like evidence.Open full answer →
29Capture a TLS connection in tcpdump. What differs between the TLS 1.2 and 1.3 handshakes, and why does an ops person care?▼mediumNewStripeCloudflareJPMorgan Chase◆ premiumOne round trip versus two is the headline, but the ops-relevant differences hide in what stays plaintext, how resumption works, and which middlewares the change broke.Open full answer →
