This page applies to Appian Cloud only. It may not reflect the differences with Appian Government Cloud.
Log Streaming is available only to customers enrolled in Advanced or Enterprise Support. The functionality described below is not included in the base Appian platform.
Appian Cloud environments can be configured to stream supported logs, in real time, to your own syslog receiver. Once logs are stored in a central repository, you can index, access, search, and correlate events using your existing Log Management and Security Information and Event Management (SIEM) tools.
This service operates on a push-based model, in which Appian Cloud environments are configured to send a stream of logs to your syslog receiver. Logs are forwarded in real-time as the messages are written in the Appian Cloud environment.
These logs can be further digested and aggregated by tools of your choice, such as Splunk, LogRhythm, and Elasticsearch-Logstash-Kibana (ELK) stack.
With this service enabled on your Appian Cloud environment, you can integrate the information contained in the logs for a consolidated view of your enterprise operations. Some benefits of this service include:
Log Streaming supports the transmission of messages to either a self-managed syslog receiver or a Sumo Logic Cloud Syslog Source.
The figure below shows an example of the message flow between your Appian Cloud environment and a self-managed syslog receiver in your network using an IPsec VPN tunnel.
Log transmission is performed over an IPsec VPN tunnel established to your network. As an additional security layer, syslog messages can be encrypted using a TLS certificate installed on the syslog receiver that you provide. TLS encryption is enabled by default but can be disabled upon your request.
The figure below shows an example of the message flow between your Appian Cloud environment and a self-managed syslog receiver in your network using AWS PrivateLink.
Log transmission is performed using an AWS PrivateLink connection established to your network. Syslog messages are encrypted with TLS using a trusted public CA-signed certificate that you install on your own syslog receiver.
The figure below shows an example of the message flow between your Appian Cloud environment and a self-managed syslog receiver over the public internet using TLS 1.2.
Log transmission is performed using TLS 1.2 with TCP and syslog messages are encrypted using a publicly trusted CA-signed certificate that you install on your syslog receiver.
The figure below shows an example of the message flow between your Appian Cloud instance and a Sumo Logic Cloud Syslog Source.
For a Sumo Logic Cloud Syslog Source, log transmission is performed over the internet and syslog messages are encrypted with TLS using the trusted public CA-signed certificate provided by your Sumo Logic deployment.
The table below contains the logs to be forwarded by each Appian Cloud environment with this feature enabled. For details about the contents and frequency of the log messages, refer to the Appian Logging documentation. To add or remove logs to stream, open a Support Case.
|Admin Console Audit
|Admin Console User Start Pages
|Cloud Database Audit
|Forgot Password Requests
|Perf Monitor RDBMS
|Perf Monitor RDBMS - Slow
|Robotic Process Automation
|Secure Credentials Store
|Web API Details
|Web API Summary
It is only possible to stream the RDBMS audit logs in a single-node or standard 3-node Appian Cloud HA configuration. Customers with other topologies where Appian and the RDBMS are not running on the same server will be unable to stream this log.
Syslog messages have the following format:
<PRI> <TIMESTAMP> <HOSTNAME> <TAG> <MESSAGE>
PRI: Specifies the priority of the syslog message (RFC5424)
TIMESTAMP: Date and time of the message. The value will be expressed in the timezone configured on your syslog receiver.
HOSTNAME: Appian Cloud instance name.
TAG: Message tag depending on the log file.
MESSAGE: Complete log message generated by the Appian component. Messages also contain timestamps expressed in Greenwich Mean Time Zone (GMT).
|Advanced or Enterprise Support Order Form
|This offering is available via Advanced or Enterprise Support.
|Business relationship owner
|Update to a current Appian version
|Appian Cloud environments with this feature enabled should be running a supported Appian version per the Support Policy for Prior Versions.
|Authorized Support Contact
|Set up an IPSec VPN Tunnel, AWS PrivateLink, or TLS 1.2 connection (Only required for self-managed syslog receivers)
|For self-managed syslog receivers you are required to establish an IPSec VPN Tunnel, AWS PrivateLink, or TLS 1.2 connection to your network which will allow connectivity to your syslog receiver. Both Static and Dynamic IPSec VPN tunnels are compatible with Log Streaming. Refer to Cloud VPN Integration documentation, Dynamic VPN Integration documentation, or Cloud PrivateLink Integration documentation for detailed steps.
|Network Administrator / Authorized support contact
|Set up syslog receiver
For Sumo Logic Cloud Syslog Source:
Once all prerequisites have been completed, you can follow these steps to enable log streaming in your Appian Cloud environment:
Log Streaming for Appian Cloud