Registered · Cross-platform

1677 Novell GroupWise

TCP Yes
UDP
SCTP
DCCP

What it is

GroupWise client/server access.

When / why

Legacy groupware/email.

Protocol status detail

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

Port range

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

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Firewall rules for port 1677

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 1677

Allow TCP 1677 (Novell GroupWise). 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="1677" protocol="tcp" accept'

Allow TCP 1677 (Novell GroupWise) from <source>. Run 'firewall-cmd --reload' afterwards.

nftables

nft add rule inet filter input ip saddr <source> tcp dport 1677 accept

Allow TCP 1677 (Novell GroupWise). Assumes table 'inet filter' with an 'input' chain.

iptables

sudo iptables -A INPUT -p tcp -s <source> --dport 1677 -j ACCEPT

Allow TCP 1677 (Novell GroupWise). Persist with iptables-save/netfilter-persistent.

Azure NSG

az network nsg rule create -g <resource-group> --nsg-name <nsg> -n Allow-novellgroupwise-1677 --priority 1000 --access Allow --direction Inbound --protocol TCP --source-address-prefixes <source> --destination-port-ranges 1677

Inbound rule for 1677 (Novell GroupWise). 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=1677,ToPort=1677,IpRanges="[{CidrIp=<source-cidr>}]"

Inbound TCP 1677 (Novell GroupWise). Replace <source-cidr> (e.g. 10.0.0.0/16).

GCP firewall

gcloud compute firewall-rules create allow-novellgroupwise-1677 --direction=INGRESS --action=ALLOW --rules=tcp:1677 --source-ranges=<source-cidr> --network=<network>

Ingress rule for 1677 (Novell GroupWise). Scope with --source-ranges and optionally --target-tags.

Windows netsh

netsh advfirewall firewall add rule name="Allow Novell GroupWise 1677/TCP" dir=in action=allow protocol=TCP localport=1677 remoteip=<source>

Inbound TCP 1677 (Novell GroupWise). Set remoteip to a host/subnet; 'any' is discouraged.

Windows PowerShell

New-NetFirewallRule -DisplayName "Allow Novell GroupWise 1677/TCP" -Direction Inbound -Action Allow -Protocol TCP -LocalPort 1677 -RemoteAddress <source>

Inbound TCP 1677 (Novell GroupWise). 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.