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RPKI validation with OpenBSD's rpki-client and Cloudflare's gortr

This article documents how to install rpki-client (an RPKI relying party software, the actual validator) and gortr (which implements the RPKI to Router protocol) on Debian 10 to provide RPKI validation to routers. If you are using testing or unstable then you can just skip the part about apt pinnings.

The packages in bullseye (Debian testing) can be installed as is on Debian stable with no need to rebuild them, by configuring an appropriate pinning for apt:

cat <<END > /etc/apt/sources.list.d/bullseye.list
deb http://deb.debian.org/debian/ bullseye main
END

cat <<END > /etc/apt/preferences.d/pin-rpki
# by default do not install anything from bullseye
Package: *
Pin: release bullseye
Pin-Priority: 100

Package: gortr rpki-client rpki-trust-anchors
Pin: release bullseye
Pin-Priority: 990
END

apt update

Before starting, make sure that curl (or wget) and the web PKI certificates are installed:

apt install curl ca-certificates

If you already know about the legal issues related to the ARIN TAL then you may instruct the package to automatically install it. If you skip this step then you will be asked at installation time about it, either way is fine.

echo 'rpki-trust-anchors rpki-trust-anchors/get_arin_tal boolean true' \
  | debconf-set-selections

Install the packages as usual:

apt install rpki-client gortr

And then configure rpki-client to generate its output in the the JSON format needed by gortr:

echo 'OPTIONS=-j' > /etc/default/rpki-client

You may manually start the service unit to immediately generate the data instead of waiting for the next timer run:

systemctl start rpki-client &

gortr too needs to be configured to use the JSON data generated by rpki-client:

echo 'GORTR_ARGS=-bind :323 -verify=false -checktime=false -cache /var/lib/rpki-client/json' > /etc/default/gortr

And then it needs to be restarted to use the new configuration:

systemctl restart gortr

You may also install FORT Validator on Debian 10, or maybe cfrpki with gortr. I have also tried packaging Routinator 3000 for Debian, but this effort is currently on hold because the Rust ecosystem is broken and hostile to the packaging practices of Linux distributions.

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This is the blog of Marco d'Itri.

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