Gerald Combs

@geraldcombs@infosec.exchange
538 Followers
70 Following
428 Posts
Creator & lead developer, Wireshark. Works at Sysdig. He / him.
Websitehttps://www.wireshark.org/
Twitterhttps://twitter.com/geraldcombs
Pronounshe / him / hey, jackass
Blueskyhttps://bsky.app/profile/geraldcombs.bsky.social
Yes. That is absolutely how SI prefixes work.

The SharkFest Women in Tech Scholarship helps make it possible for women to attend SharkFest’25 Europe in Warsaw this November. Connect with industry experts, learn hands-on skills, and become part of the Wireshark community!

If you’re passionate about networking, protocol analysis, and technology, this is your chance to gain knowledge & make connections.

Learn more & apply: https://sharkfest.wireshark.org/sfeu/women-in-tech/

#sf25eu #WomenInTech #Wireshark #PacketAnalysis #Networking #TechCommunity

I’ll be at the packet hacking village at DEF CON this afternoon if you want to say hi.

Would you have a vibe surgeon operate on you?

A vibe mechanic fix the plane you’re on?

A vibe engineer calculate load-bearing structure requirements for the bridge you’re driving over?

But you’re fine with vibe coding?

Free software people I am begging you to stop naming your software

Ready to master TCP?

Join @packetjay (Jasper Bongertz) for the TCP Analysis Masterclass at SharkFest’25 EUROPE in Warsaw! From diagnosing tricky connections to fine-tuning performance, this pre-conference class is your hands on guide to truly understanding how TCP works on the wire.

Register: https://sharkfest.wireshark.org/sfeu

#sf25eu #Wireshark #TCPAnalysis #PacketAnalysis #NetworkTroubleshooting #Cybersecurity

"It's a web page that lets you create capture filters that match strings in #TCP payloads."

String-Matching Capture Filter Generator
https://www.wireshark.org/tools/string-cf

#networks #cybersecurity #wireshark

Part of the job as a cybersecurity professional is in fact arguing to purge and not log information about your customers.

Data is not oil. It's risk.

A non-exhaustive list of typical USA city names:

  • Just plain copied the name of an Old World location;

  • Just plain copied the name of an Old World location, but “New”;

  • Misspelled Native American name;

  • François LeRoy était ici;

  • Springfield;

  • It’s short for “La Muy Santa Misión de San Rodrigo Hidalgo Sirviente de María Madre de Dios y Reina de Todos Los Angéles”;

  • It’s called Jeffville because it was founded by a guy named Jeff.

Ready to level up your packet analysis game? At SharkFest’25 EUROPE in Warsaw, you'll have the unique opportunity to learn Wireshark and Stratoshark from experts who build and use them every day.

Join hands-on workshops, deep-dive technical sessions, and interactive labs led by top professionals designed to sharpen your traffic capture, analysis, and troubleshooting skills. Whether you're a seasoned network engineer or emerging pro, this is where theory meets practical expertise.

Register now: https://sharkfest.wireshark.org/sfeu

#sf25eu #Wireshark #Stratoshark #PacketAnalysis #NetworkEngineering #Cybersecurity