# [WEB_AUTH_FILE_OPEN](https://apps.juniper.net/syslog-explorer/?msg=WEB_AUTH_FILE_OPEN)

## SYSLOG Details
- **Message**: Unable to open file <variable>filename</variable>: <variable>error-message</variable>
- **Help**: checklogin could not open throttle file
- **Description**: To avoid becoming overloaded, the checklogin process limits how many authentication requests it handles per second. It attempted to open the indicated file, which it uses to implement the limit. The attempt failed for the indicated reason.
- **Type**: SNO: Should Not Occur
- **Severity**: error
- **Cause**: -
- **Action**: -
- **Attributes**: filename
error-message
- **Facility**: LOG_AUTH

## Found this message in the following releases:
- [Junos OS 24.2R1](https://apps.juniper.net/syslog-explorer/?msg=WEB_AUTH_FILE_OPEN&sw=Junos%20OS&rel=24.2R1)
- [Junos OS 23.4R1](https://apps.juniper.net/syslog-explorer/?msg=WEB_AUTH_FILE_OPEN&sw=Junos%20OS&rel=23.4R1)