Oh geeze; I'm sending an email to the heads of global IT, and I just realized I've reduced every point down to 140 characters per line.
-
-
-
Replying to @SwiftOnSecurity
Me explaining SPF to devs "This is because SPF validates the SMTP ‘MAIL FROM:’/’Return-Path’ address, not the From address seen in Outlook."
8 replies 3 retweets 38 likes -
Replying to @SwiftOnSecurity
Fun fact: SPF is not a cure-all and some of the companies telling you to add them to your SPF have no idea what they're talking about.
8 replies 6 retweets 30 likes -
Replying to @SwiftOnSecurity
Fun-er DNS fact: The TXT record RFC allows up to 63k characters in a TXT record. You can cram a lot in there.
8 replies 13 retweets 28 likes -
Replying to @0xMatt @SwiftOnSecurity
yeah don't do that. DDoS groups spoof DNS request from place they want to attack, you return large amounts of data
2 replies 1 retweet 3 likes -
Not really an issue because records >512b cannot be queries over UDP anyway.
1 reply 0 retweets 0 likes
Normal clients & properly configured public recursive servers only do DNS over UDP, not TCP.
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.