Anonymizing pcaps for sharing/analysis

asked 2021-04-20 08:58:29 +0000

HappySailor
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Hi there I'd like to share a PCAP file for comments. How can I strip MAC address info and data so that it can safely shared on this boeard?

answered 2021-04-20 09:18:23 +0000

SYN-bit

18528 ●9 ●343 ●255 https://SYN-b.it

Have a look at this blog-post by @Jasper (who wrote Tracewrangler)

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Thanks!.........

HappySailor ( 2021-04-20 09:25:21 +0000 )edit

Tracewrangler works great. The only limitation I have bumped into is that it can only remove single VLAN tag. Use editcap to remove multiple VLAN tags.

BigFatCat ( 2021-04-20 12:16:28 +0000 )edit

Glad to hear it worked great for you and maybe @Jasper can add Q-in-Q (or rather, recursive) vlan scrubbing :-)

SYN-bit ( 2021-04-21 06:11:51 +0000 )edit

I'll have to check into that - Tracewrangler can parse stacked VLAN tags but maybe I forgot to actually add code to remove them...

Jasper ( 2021-04-21 07:47:59 +0000 )edit

Why would people want to anonymise VLAN tags? Frankly, why would people want also to remove private ip addresses? Is there any reason why you would want to anonymise anything else than mac address and payload?

HappySailor ( 2021-04-21 08:08:54 +0000 )edit

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