improve suggested commandline, document IP address source

This commit is contained in:
bert hubert 2022-08-21 23:01:50 +02:00
parent 6dc02ef81f
commit 1cccff2a66

View File

@ -12,7 +12,14 @@ make
## How to run: ## How to run:
``` ```
sudo tcpdump -n -l dst net 1.2.3.4/32 $(for a in $(jq .prefixes < goog.json | grep ipv4Prefix | cut -f2 -d: | sed s/\"//g); do echo or dst net $a; done) | ./teller sudo tcpdump -n -l dst net 192.0.2.1/32 $(for a in $(jq .prefixes < goog.json | grep ipv4Prefix | cut -f2 -d: | sed s/\"//g); do echo or dst net $a; done) | ./teller
``` ```
And then cry. And then cry.
## Data source
The list of Google services IP addresses can be found on [this Google
support page](https://support.google.com/a/answer/10026322?hl=en).
Note that this splits out Google services and Google cloud user IP
addresses.