open port on windows VM

suhaib

New Member
Aug 13, 2020
3
0
1
30
Hello,

I have a dedicated server with ProxMoX with one Windows Server VM inside it with a public IP.

Inside VM the port 1433 is open but it's filtered from node.

Firewall in ProxMoX (Datacenter, node, VM0 is disabled.

Bash:
nmap 1.1.1.1 -p1433

Starting Nmap 6.40 ( http://nmap.org ) at 2020-08-12 22:07 +03
sendto in send_ip_packet_sd: sendto(4, packet, 40, 0, 1.1.1.1, 16) => Operation not permitted
Offending packet: TCP 94.130.120.199:51022 > 1.1.1.1:80 A ttl=57 id=678 iplen=40  seq=0 win=1024
sendto in send_ip_packet_sd: sendto(4, packet, 44, 0, 1.1.1.1, 16) => Operation not permitted
Offending packet: TCP 94.130.120.199:51278 > 1.1.1.1:1433 S ttl=59 id=20118 iplen=44  seq=3547279225 win=1024 <mss 1460>
sendto in send_ip_packet_sd: sendto(4, packet, 44, 0, 1.1.1.1, 16) => Operation not permitted
Offending packet: TCP 94.130.120.199:51279 > 1.1.1.1:1433 S ttl=46 id=44755 iplen=44  seq=3547213688 win=1024 <mss 1460>
Nmap scan report for server.domain.com (1.1.1.1)
Host is up (0.00045s latency).
PORT     STATE    SERVICE
1433/tcp filtered ms-sql-s

1.1.1.1 = windows vm public IP
server.domain.com = windows vm hostname

Bash:
traceroute -T -p 1433 1.1.1.1
traceroute to 1.1.1.1 (1.1.1.1), 30 hops max, 60 byte packets
1 gw4.plesk.ru (10.33.23.1) 0.176 ms 0.159 ms 0.200 ms
2 nsl-rr01.plesk.com (91.204.25.2) 0.441 ms 0.234 ms 0.348 ms
3 host-95-170-131-45.avantel.ru (95.170.131.45) 0.839 ms 0.861 ms 0.853 ms
4 m9-r5.inet2.ru (85.112.122.5) 42.203 ms 42.159 ms 42.431 ms
5 decix-gw.hetzner.com (80.81.192.164) 74.826 ms 74.743 ms 74.698 ms
6 * * *
7 ex9k2.dc15.fsn1.hetzner.com (213.239.245.210) 82.625 ms ex9k2.dc15.fsn1.hetzner.com (213.239.245.206) 87.392 ms 87.370 ms
8 node.domain.com (2.2.2.2) 79.195 ms 79.176 ms 79.383 ms

1.1.1.1 = windows vm public IP
2.2.2.2 = node proxmox public IP
node.domain.com = node proxmox hostname

I need to open TCP/UPD 1433 port into Windows VM

Regards.
 

oguz

Proxmox Retired Staff
Retired Staff
Nov 19, 2018
5,207
694
118
hi,

what about the windows firewall? is it configured to allow the port?
 

suhaib

New Member
Aug 13, 2020
3
0
1
30
hi, what about the windows firewall? is it configured to allow the port?

Yes, it’s already configured and it’s accepted the request but when it’s arrived to the node it’s blocked
 

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