Port 17777SolarWinds Information Service (SWIS)

TCP 17777 is the SolarWinds Orion SWIS endpoint, used for communication between Orion components and clients.

transport: tcp
in transit: encrypted
assignment: official
risk: 8/10
lookups: 0

also known as sw-orion, SolarWinds Orion, SWIS

Technical Details

what runs on :17777

SWIS is Orion's service layer for querying and managing platform data. TCP 17777 is the legacy .NET WCF net.tcp endpoint, using WCF framing rather than HTTP; clients commonly address SWIS under /SolarWinds/InformationService/. It is distinct from the HTTPS/JSON API, typically on TCP 17778. The IANA assignment names SolarWinds Orion, and this SWIS use is consistent with that assignment.

Security Information

exposure of :17777

risk score

8/ 10risk

treat as sensitive. widely scanned and regularly exploited when reachable — restrict it to known sources.

network services averages 2.6 across 1,922 ports — this one sits 5.4 above.

in transit

encrypted

payloads are protected on the wire

assignment

official

registered with iana for this service — scanners fingerprint it by number

reachable over

tcp

every listening transport is another surface to filter at the edge

security overview

Keep this management-service endpoint on trusted internal networks and restrict access to Orion components and approved clients; it should not be exposed directly to the internet. Access to SWIS can provide visibility into sensitive network-management data and, depending on permissions, enable administrative actions. Standard WCF transport security is used in normal deployments, but verify the deployed configuration and do not treat encryption as a substitute for access controls.

Record

iana registry entry

port: :17777
service: SolarWinds Information Service (SWIS)
transport: TCP
encryption: tls / encrypted
assignment: iana registered
risk: 8/10risk
category: Network Services
usage: SolarWinds Orion installations use this port for the SolarWinds Information Service (SWIS), including communication among platform components and polling engines. Engineers may also encounter it when a client connects to the legacy SWIS TCP endpoint; the platform also offers a separate HTTPS API on TCP 17778.
lookups: 0rank 993
added: 2026-10-18
updated: 2026-10-18
references: IANA service name registry — port 17777

Something wrong?

This record is maintained by the engineers who use port 17777. Every field on it is editable — change what's wrong, say how you know, and a reviewer publishes it, usually within a minute. Last touched 2026-10-18.

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edit this record →back to the registry

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all 1,922 in network services →

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risk mix of the 8 listed

caution100%

0 of 8 encrypted

Port :17777SolarWinds Information Service (SWIS)

Technical Details

Security Information

Related Ports

Port 17777SolarWinds Information Service (SWIS)