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by bastard_op
5 days ago
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Developers should spend more time being network engineers before writing network code. I saw this title and my first thought was, "What, mtu?" If you've ever had to support vpn's in an enterprise securing businesses with ipsec or sslvpn with tunnel overhead, you've run into mtu issues. Some apps/protocols or firewalls misbehave, devs/engineers didn't read the memo from 20 years ago in rfc form how ipv6 mtu's work (and missed v4 to boot, lucking out with 20 more years of someone else fixing it). Not Tailscale or Cisco or in between are immune to mtu issues in vpn or networking. |
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