network: fix dead link

Signed-off-by: Matthias Heiserer <m.heiserer@proxmox.com>

diff --git a/pve-network.adoc b/pve-network.adoc
index ed96d8e916968a05197d02592a746e2cd42441eb..0e94f288ce5a59aad360a9100a4d9a7d18dfbf2d 100644 (file)
--- a/pve-network.adoc
+++ b/pve-network.adoc
@@ -267,7 +267,7 @@ https://commons.wikimedia.org/wiki/File:Netfilter-packet-flow.svg[Netfilter Pack
 
 https://lwn.net/Articles/370152/[Patch on netdev-list introducing conntrack zones]
 
-https://blog.lobraun.de/2019/05/19/prox/[Blog post with a good explanation by using TRACE in the raw table]
+https://web.archive.org/web/20220610151210/https://blog.lobraun.de/2019/05/19/prox/[Blog post with a good explanation by using TRACE in the raw table]
 
 
 [[sysadmin_network_bond]]