[SOLVED] Can't ssh or acess GUI after Proxmox upgrade to last version of package

[FredF]

Hi All,

I saw lot of of mail thread on that subject under this forums and have already try whatever possible ...but so far whithout any sucess ..
So Posting this request to help as last chance...

Context:

Proxmox running on a dedicated Hezner server.
Before upgrade of package through GUI interface, Proxmox server was running well and SSH and GUI were accessible from outside, or from VM under Proxmox server.
Upgrade done , and all VM hosted are still accessible and well up and running, but can't ssh or acess Proxmox GUI anymore.
SSH is still possible using one of the VM then ssh to his public IP.

I believe this must be due to a wrong config ...but have no clue so far how to fix it
This request to ask some help for fixing it

Some Info :

root@proxmox ~ # pveversion -v
proxmox-ve: 7.2-1 (running kernel: 5.15.53-1-pve)
pve-manager: 7.2-11 (running version: 7.2-11/b76d3178)
pve-kernel-helper: 7.2-12
pve-kernel-5.15: 7.2-10
pve-kernel-5.13: 7.1-9
pve-kernel-5.15.53-1-pve: 5.15.53-1
pve-kernel-5.15.39-4-pve: 5.15.39-4
pve-kernel-5.13.19-6-pve: 5.13.19-15
ceph-fuse: 16.2.9-pve1
corosync: 3.1.5-pve2
criu: 3.15-1+pve-1
glusterfs-client: 9.2-1
ifupdown: residual config
ifupdown2: 3.1.0-1+pmx3
libjs-extjs: 7.0.0-1
libknet1: 1.24-pve1
libproxmox-acme-perl: 1.4.2
libproxmox-backup-qemu0: 1.3.1-1
libpve-access-control: 7.2-4
libpve-apiclient-perl: 3.2-1
libpve-common-perl: 7.2-2
libpve-guest-common-perl: 4.1-2
libpve-http-server-perl: 4.1-3
libpve-storage-perl: 7.2-8
libspice-server1: 0.14.3-2.1
lvm2: 2.03.11-2.1
lxc-pve: 5.0.0-3
lxcfs: 4.0.12-pve1
novnc-pve: 1.3.0-3
openvswitch-switch: 2.15.0+ds1-2+deb11u1
proxmox-backup-client: 2.2.6-1
proxmox-backup-file-restore: 2.2.6-1
proxmox-mini-journalreader: 1.3-1
proxmox-widget-toolkit: 3.5.1
pve-cluster: 7.2-2
pve-container: 4.2-2
pve-docs: 7.2-2
pve-edk2-firmware: 3.20220526-1
pve-firewall: 4.2-6
pve-firmware: 3.5-1
pve-ha-manager: 3.4.0
pve-i18n: 2.7-2
pve-qemu-kvm: 7.0.0-3
pve-xtermjs: 4.16.0-1
qemu-server: 7.2-4
smartmontools: 7.2-pve3
spiceterm: 3.2-2
swtpm: 0.7.1~bpo11+1
vncterm: 1.7-1
zfsutils-linux: 2.1.5-pve1


Network Interfaces config ( a bit modified but ):

auto lo
iface lo inet loopback

iface enp41s0 inet manual

auto vmbr0
iface vmbr0 inet static
address 25.208.193.165
hwaddress a8:a1:59:94:ff:c1
netmask 255.255.255.192
gateway 25.208.193.139
bridge-ports enp41s0
bridge-stp off
bridge-fd 1
bridge_hello 2
bridge_maxage 12

auto vmbr1
iface vmbr1 inet static
address 10.0.0.1
netmask 255.255.255.0
bridge-ports none
bridge-stp off
bridge-fd 0
post-up iptables -t nat -A POSTROUTING -s '10.0.0.0/24' -j MASQUERADE
post-down iptables -t nat -D POSTROUTING -s '10.0.0.0/24' -j MASQUERADE






root@proxmox ~ # ip route
default via 25.208.193.139 dev vmbr0 proto kernel onlink
10.0.0.0/24 dev vmbr1 proto kernel scope link src 10.0.0.1 linkdown
25.208.193.138/26 dev vmbr0 proto kernel scope link src 25.208.193.165






root@proxmox ~ # ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: enp41s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq master vmbr0 state UP group default qlen 1000
link/ether a8:a1:59:94:ff:c1 brd ff:ff:ff:ff:ff:ff
3: vmbr0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
link/ether a8:a1:59:94:ff:c1 brd ff:ff:ff:ff:ff:ff
inet 25.208.193.165/26 scope global vmbr0
valid_lft forever preferred_lft forever
inet6 fe80::aaa1:59ff:fe94:ffc1/64 scope link
valid_lft forever preferred_lft forever
4: vmbr1: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default qlen 1000
link/ether 7e:f5:6b:b0:fc:e7 brd ff:ff:ff:ff:ff:ff
inet 10.0.0.1/24 scope global vmbr1
valid_lft forever preferred_lft forever
5: tap400i0: <BROADCAST,MULTICAST,PROMISC,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master vmbr0 state UNKNOWN group default qlen 1000
link/ether 72:f6:d9:99:79:24 brd ff:ff:ff:ff:ff:ff
6: tap401i0: <BROADCAST,MULTICAST,PROMISC,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master vmbr0 state UNKNOWN group default qlen 1000
link/ether 46:00:ee:c4:b1:ce brd ff:ff:ff:ff:ff:ff





I will really apprecaite some help as im a bit lost at this time ....

 

[bbgeek17]

I dont know what you modified

Network Interfaces config ( a bit modified but ):

address 25.208.193.165

3: vmbr0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
link/ether a8:a1:59:94:ff:c1 brd ff:ff:ff:ff:ff:ff
inet 625.208.193.165/26

This ^^^^^^^^^^^^^^^^^^ is not a valid IP

---

Blockbridge : Ultra low latency all-NVME shared storage for Proxmox - https://www.blockbridge.com/proxmox

 

[FredF]

in fact that 'snot the ip I used .... just more to give an overview...
and modified it in above comment ... ;-)

 

[FredF]

issue is coming after Update and upgrade of last package ...
I can still ssh to proxomox from a VM running on top of it ...I can even check that port 8006 ifrom proxmox host is active testing it from VM...
but acess from outside to my proxmox host to ssh and gui is not acessible...

 

[FredF]

any idea of whta could be wrong ?

 

[FredF]

in fact that 'snot the ip I used .... just more to give an overview...
and modified it in above comment ... ;-)

 

[FredF]

hum ... i fixed it ... in fact it seems that with package upgrade the settings for firewall are automatically reactivate, disabling access from internet network interface ...
A simple pve-firewall stop fixed it ...
Thanks anyway from your help... feel a bit st..id ...