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Note: This reference is based on an archived F5 article and is no longer actively maintained. For newer APM versions, see BIG-IP APM Daemons (14.x – 17.x).
When the BIG-IP® system is licensed with BIG-IP APM®, a separate set of processes is initiated in addition to the standard set of BIG-IP processes. The following table lists the core BIG-IP APM services, and indicates the impact to the BIG-IP APM system operation if the service is not running:
| Daemon | Description | Impact if not running | Relevant log file |
|---|---|---|---|
| acctd |
The RADIUS accounting daemon used by BIG-IP APM to send RADIUS accounting start and stop messages to external RADIUS servers. Note: Removed in BIG-IP 13.1.0 and replaced with a native TMM implementation. |
RADIUS accounting messages are not sent | /var/log/apm |
| aced | Provides RSA SecurID authentication functionality for APM. | RSA SecurID authentication fails | /var/log/apm |
| apmd | Executes access policy for user sessions, including authentication, authorization, accounting, and audit. Also supports MPI. | No access policy enforcement | /var/log/apm |
| antserver | Allows Secure Web Gateway (SWG) to dynamically filter web content. | No dynamic web content filtering | /var/log/apm |
| dnscached | Provides DNS cache functionality to APM subsystems. | APM DNS performance is impaired | /var/log/apm |
| eam | Provides external access management for third-party identity systems. | External SSO authentication fails | /var/log/apm |
| eca | Provides NTLM authentication support. | NTLM authentication fails | /var/log/apm |
| httpd_sam | Serves BIG-IP-generated user-facing HTML pages. | No user login pages displayed | /var/log/httpd/access_log |
| localdbmgr | Maintains LocalDB entries for static and dynamic users. | ‘User not found’ errors | /var/log/apm |
| mdmsyncmgr | Fetches MDM-managed endpoint lists and stores them locally. | Unable to fetch MDM-managed endpoints | /var/log/apm |
| nlad | Establishes NTLM communication with Domain Controllers. | No NTLM communication with DC | /var/log/apm |
| oauth |
Provides OAuth Authorization Server functionality. Note: Introduced in 13.x. |
OAuth token issuance fails | /var/log/apm |
| omapd | Provides IF-MAP server functionality for SWG and AFM. | User identification fails | /var/log/omapd |
| ping_access_agent |
Integrates BIG-IP APM with Ping Identity. Note: Introduced in 13.x. |
Ping Identity authentication fails | /var/log/apm |
| rba | Provides client-side Kerberos authentication support. | Kerberos authentication fails | /var/log/apm |
| rewrite | Rewrites web content links for Portal Access. | Portal Access links not rewritten | /var/log/rewrite |
| samlidpd | Automates SAML IdP connector creation. | SAML IdP connector creation fails | /var/log/saml_automation.log |
| urldb | Categorizes incoming URLs for SWG. | No URL categorization | /var/log/apm, /var/log/urldb-trace.log |
| urldbmgrd | Downloads and indexes URL categorization databases. | URL categorization impaired | /var/log/apm, /var/log/urldbmgr-trace.log |
| vdi | Handles communication for Citrix and VMware View clients. | VDI and RDP access fails | /var/log/apm |
| websso | Provides Single Sign-On (SSO) functionality. | SSO fails | /var/log/apm |
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