[squid-users] krb5.conf Example

Piana, Josh Josh.Piana at hexcel.com
Thu Nov 21 15:54:44 UTC 2024


Hey  Squid Users,

Wanted to reach out and see if there was an updated version of the /etc/krb5.conf example file anywhere.

I've been using "wiki.squid-cache.org/ConfigExamples/Authenticate/WindowsActiveDirectory" as a reference point and I'm concerned that the Squid 3, Windows 2003/2008, and such examples might be out of date.

As of right now, my krb5.conf file looks like this:

includedir /etc/krb5.conf.d/
[logging]
    default = FILE:/var/log/krb5libs.log
    kdc = FILE:/var/log/krb5kdc.log
    admin_server = FILE:/var/log/kadmind.log

[libdefaults]
    dns_lookup_realm = true
    ticket_lifetime = 24h
    renew_lifetime = 7d
    forwardable = true
    rdns = true
    pkinit_anchors = FILE:/etc/pki/tls/certs/ca-bundle.crt
    spake_preauth_groups = edwards25519
    dns_canonicalize_hostname = true
    qualify_shortname = ""
    default_realm = AD.ARC-TECH.COM
    default_ccache_name = KEYRING:persistent:%{uid}
    udp_preference_limit = 0

[realms]
# EXAMPLE.COM = {
#     kdc = kerberos.example.com
#     admin_server = kerberos.example.com
# }

[domain_realm]
# .example.com = EXAMPLE.COM
# example.com = EXAMPLE.COM

This config file was done automatically when I joined the Linux Proxy Server to Windows AD using realmD. But I couldn't help but think there's a few things missing. I've been going through our whole Kerberos setup to figure out why Squid isn't using it when directed to in the squid.conf file.

Any help is always appreciated,
Josh
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