Registered · Cross-platform

1311 Dell OpenManage

TCP Yes
UDP Unofficial
SCTP —
DCCP —

What it is

Dell OpenManage Server Administrator HTTPS UI.

When / why

Dell server hardware management.

Protocol status detail

TransportStatusMeaning
TCP Yes Assigned by IANA and standardized, specified, or widely used on this port.
UDP Unofficial Not assigned by IANA, but standardized, specified, or widely used on this port.
SCTP — Not applicable for this transport.
DCCP — Not applicable for this transport.
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Port range

Registered (1024–49151). Assigned by IANA on request; usable without elevated privileges on most systems.

Browse all ports →

Firewall rules for port 1311

Copy-ready inbound rules for the active transports. Replace every <source> placeholder with the specific host, subnet, or CIDR that should reach this port.

ufw

sudo ufw allow proto tcp from <source> to any port 1311

Allow TCP 1311 (Dell OpenManage). Replace <source> with the network/host that should reach it.

sudo ufw allow proto udp from <source> to any port 1311

Allow UDP 1311 (Dell OpenManage). Replace <source> with the network/host that should reach it.

firewalld

sudo firewall-cmd --permanent --add-rich-rule='rule family="ipv4" source address="<source>" port port="1311" protocol="tcp" accept'

Allow TCP 1311 (Dell OpenManage) from <source>. Run 'firewall-cmd --reload' afterwards.

sudo firewall-cmd --permanent --add-rich-rule='rule family="ipv4" source address="<source>" port port="1311" protocol="udp" accept'

Allow UDP 1311 (Dell OpenManage) from <source>. Run 'firewall-cmd --reload' afterwards.

nftables

nft add rule inet filter input ip saddr <source> tcp dport 1311 accept

Allow TCP 1311 (Dell OpenManage). Assumes table 'inet filter' with an 'input' chain.

nft add rule inet filter input ip saddr <source> udp dport 1311 accept

Allow UDP 1311 (Dell OpenManage). Assumes table 'inet filter' with an 'input' chain.

iptables

sudo iptables -A INPUT -p tcp -s <source> --dport 1311 -j ACCEPT

Allow TCP 1311 (Dell OpenManage). Persist with iptables-save/netfilter-persistent.

sudo iptables -A INPUT -p udp -s <source> --dport 1311 -j ACCEPT

Allow UDP 1311 (Dell OpenManage). Persist with iptables-save/netfilter-persistent.

Azure NSG

az network nsg rule create -g <resource-group> --nsg-name <nsg> -n Allow-dellopenmanage-1311 --priority 1000 --access Allow --direction Inbound --protocol "*" --source-address-prefixes <source> --destination-port-ranges 1311

Inbound rule for 1311 (Dell OpenManage). Set <source> to a CIDR; lower priority number = higher precedence.

AWS Security Group

aws ec2 authorize-security-group-ingress --group-id <sg-id> --ip-permissions IpProtocol=tcp,FromPort=1311,ToPort=1311,IpRanges="[{CidrIp=<source-cidr>}]"

Inbound TCP 1311 (Dell OpenManage). Replace <source-cidr> (e.g. 10.0.0.0/16).

aws ec2 authorize-security-group-ingress --group-id <sg-id> --ip-permissions IpProtocol=udp,FromPort=1311,ToPort=1311,IpRanges="[{CidrIp=<source-cidr>}]"

Inbound UDP 1311 (Dell OpenManage). Replace <source-cidr> (e.g. 10.0.0.0/16).

GCP firewall

gcloud compute firewall-rules create allow-dellopenmanage-1311 --direction=INGRESS --action=ALLOW --rules=tcp:1311,udp:1311 --source-ranges=<source-cidr> --network=<network>

Ingress rule for 1311 (Dell OpenManage). Scope with --source-ranges and optionally --target-tags.

Windows netsh

netsh advfirewall firewall add rule name="Allow Dell OpenManage 1311/TCP" dir=in action=allow protocol=TCP localport=1311 remoteip=<source>

Inbound TCP 1311 (Dell OpenManage). Set remoteip to a host/subnet; 'any' is discouraged.

netsh advfirewall firewall add rule name="Allow Dell OpenManage 1311/UDP" dir=in action=allow protocol=UDP localport=1311 remoteip=<source>

Inbound UDP 1311 (Dell OpenManage). Set remoteip to a host/subnet; 'any' is discouraged.

Windows PowerShell

New-NetFirewallRule -DisplayName "Allow Dell OpenManage 1311/TCP" -Direction Inbound -Action Allow -Protocol TCP -LocalPort 1311 -RemoteAddress <source>

Inbound TCP 1311 (Dell OpenManage). Replace <source> with a host or subnet.

New-NetFirewallRule -DisplayName "Allow Dell OpenManage 1311/UDP" -Direction Inbound -Action Allow -Protocol UDP -LocalPort 1311 -RemoteAddress <source>

Inbound UDP 1311 (Dell OpenManage). Replace <source> with a host or subnet.

Rules are generated only for transports marked active for this port. They default to an inbound allow with an explicit source placeholder — never any. Review direction, scope, and rule precedence before applying in production.