[SOLVED] Unable to Access Proxmox Web Interface – Request for Assistance

[SandeepBhat]

Dear All,
I’m encountering an issue with Proxmox VE (version 8.4) on an ASUS Chrome Box 3 (CN65). I’ve spent the entire day troubleshooting, but so far, haven’t been able to resolve it.

The installation was successful, and I can log into Proxmox using a monitor and keyboard. However, I am unable to access the web interface at https://192.168.1.100:8006/ – I keep receiving a "Connection Timeout" error.

Here are some observations:

• I can successfully ping 1.1.1.1 from the Proxmox server.
• I can ping 192.168.1.1 (my router) from the Proxmox server.
• I can ping the Proxmox IP (192.168.1.100) from my laptop, which is on the same network.

To help diagnose the issue, I’ve attached the following details:

• /etc/resolv.conf
• /etc/network/interfaces
• ip a

I would greatly appreciate any assistance in resolving this issue.


Best regards

 

[bbgeek17]

Hi @SandeepBhat , welcome to the forum.
Here is a list of standard questions that would be helpful to answer:
What is the IP of the PVE server?
What is the IP of your workstation?
What is the IP of your gateway?
Can you ping the PVE server?
Can you ssh into PVE server?
What is the output of "ip a" on PVE?
What is the corresponding output from your workstation? (ipconfig /all ; ip a)
What is the output of "curl -k https://127.0.0.1:8006" when run directly from PVE (over SSH or physical console?)
What is the output of "curl -k https://LAN_IP:8006" when run directly from PVE (over SSH or physical console?)

You've provided some information already.

One of the most common causes for your type of error is that the router is blocking access to the host that uses an IP within the DHCP range of the router but the IP was assigned manually , not via DHCP.

---

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

 

[louie1961]

also how are you connected to the router? directly or through a switch?

 

[SandeepBhat]

@bbgeek17

What is the IP of the PVE server?

192.168.1.100:8006

What is the IP of your workstation?

192.168.1.3

What is the IP of your gateway?

192.168.1.1

Can you ping the PVE server?

Yes (From the workstation in the same network connected over wifi)

Can you ssh into PVE server?

Yes

What is the output of "ip a" on PVE?

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 noprefixroute
valid_lft forever preferred_lft forever
2: eno0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master vmbr0 state UP group default qlen 1000
link/ether b4:a9:fc:16:f0:7a brd ff:ff:ff:ff:ff:ff
altname enp1s0
3: wlp2s0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN group default qlen 1000
link/ether d0:ab:d5:2f:20:51 brd ff:ff:ff:ff:ff:ff
4: vmbr0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
link/ether b4:a9:fc:16:f0:7a brd ff:ff:ff:ff:ff:ff
inet 192.168.1.100/24 scope global vmbr0
valid_lft forever preferred_lft forever
inet6 fe80::b6a9:fcff:fe16:f07a/64 scope link
valid_lft forever preferred_lft forever

What is the corresponding output from your workstation? (ipconfig /all)

C:\Users\Sandeep V S>ipconfig /all

Windows IP Configuration

Host Name . . . . . . . . . . . . : LAPTOP-5UHK29HD
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
DNS Suffix Search List. . . . . . : alphionsee.in

Ethernet adapter Ethernet 3:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . : alphionsee.in
Description . . . . . . . . . . . : Realtek PCIe GBE Family Controller #2
Physical Address. . . . . . . . . : 98-29-A6-35-D2-0F
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Wireless LAN adapter Local Area Connection* 2:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft Wi-Fi Direct Virtual Adapter
Physical Address. . . . . . . . . : 0A-28-19-7A-4F-D3
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

Wireless LAN adapter Local Area Connection* 1:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft Wi-Fi Direct Virtual Adapter #2
Physical Address. . . . . . . . . : FA-28-19-7A-4F-D3
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Wireless LAN adapter Wi-Fi 3:

Connection-specific DNS Suffix . : alphionsee.in
Description . . . . . . . . . . . : Qualcomm Atheros QCA61x4A Wireless Network Adapter #2
Physical Address. . . . . . . . . : F8-28-19-7A-4F-D3
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::f45b:fbf7:bbcc:7e6d%23(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.1.3(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : 27 April 2025 7.42.45 PM
Lease Expires . . . . . . . . . . : 28 April 2025 9.31.49 PM
Default Gateway . . . . . . . . . : 192.168.1.1
DHCP Server . . . . . . . . . . . : 192.168.1.1
DHCPv6 IAID . . . . . . . . . . . : 368584729
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-21-0D-A0-9E-98-29-A6-35-D2-0F
DNS Servers . . . . . . . . . . . : 192.168.1.1
NetBIOS over Tcpip. . . . . . . . : Enabled

What is the output of "curl -k https://127.0.0.1:8006" when run directly from PVE (over SSH or physical console?)

Over SSH the command didn't return any value, In physical console it returns an HTML(Attached)

What is the output of "curl -k https://LAN_IP:8006" when run directly from PVE (over SSH or physical console?)

both over SSH or physical console not returning any details for this

@louie1961 PVE is directly connected to the router with an Ethernet Cable. My workstation is connected over WiFi.

 

[bbgeek17]

both over SSH or physical console not returning any details for this

That sounds unlikely.
Did you replace LAN_IP with your actual LAN IP? i.e. 192.168.1.100 ?

One of the most common causes for your type of error is that the router is blocking access to the host that uses an IP within the DHCP range of the router but the IP was assigned manually , not via DHCP.

Have you checked into this ^^^ ? Move your PVE IP out of the range of router DHCP or reduce the DHCP range on the router.

The good output from the first curl command indicates that PVE services are running. The issue is in your network, either the router or firewall, or, perhaps, the device that acts as both.

Another test - direct connect workstation into the PVE and test GUI access that way.

---

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

 

[SandeepBhat]

As you suggested, issue was caused by my router blocking it. After a lot of trial and error, I reset the router, which resolved the problem.

​

@bbgeek17 Thank you for the support