By default, compute ports are set to allow only communication from the same subnet.
To allow connection from other networks or subnets to compute ports, set the CIDR Block to which connection is to be allowed for the computeNetworkAllowedIPv4CidrBlock parameter.
To use IPv6 addresses, set the CIDR block for IPv6 addresses to which connection is to be allowed for computeNetworkAllowedIPv4CidrBlock.
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Control port (Linux)
-
Inbound
Type
Protocol
Port range
Source
Remarks
SSH
TCP
22
IP address, CIDR block, or network security group of the source
Configuration for allowing SSH connection from the source
Custom ICMP
Echo request
-
CIDR block of the virtual network
Required for communication confirmation by using ping
-
Outbound
Type
Protocol
Port range
Source
Remarks
All traffic
All
All
0.0.0.0/0
-
-
-
Control port (Windows)
-
Inbound
Type
Protocol
Port range
Source
Remarks
RDP
TCP
3389
IP address, CIDR block, or network security group of the source
Configuration for remote desktop connection
Custom ICMP
Echo request
-
CIDR block of the virtual network
Required for communication confirmation by using ping
-
Outbound
Type
Protocol
Port range
Source
Remarks
All traffic
All
All
0.0.0.0/0
-
-
-
Compute port (Linux and Windows)
-
Inbound
Type
Protocol
Port range
Source
Remarks
Custom ICMP
- IPv4
Echo request
-
IPv4 CIDR block for the compute network subnet
Required for communication confirmation by using ping
Custom ICMP - IPv6 IPv6 ICMP All IPv6 CIDR block for the compute network subnet Required for using IPv6 addresses Custom TCP
TCP
3205
IPv4 CIDR block for the compute network subnet
Required if the node is an iSNS server
IPv6 CIDR block for the compute network subnet
Required for using IPv6 addresses and an iSNS server
-
Outbound
Type
Protocol
Port range
Source
Remarks
All traffic
All
All
0.0.0.0/0
-
-