Gate: passwd_file
Introduction
The “passwd_file” gate allows users to perform checks against /etc/passwd files with the retrieve_files cataloger. For more information about cataloger scans, please click here.
Example Use-case
Scenario 1
Goal: Create a rule that results in a STOP action for username “foobar” that is found in /etc/passwd in values.yaml file.
Note In order to use this gate, the values.yaml file for your Anchore deployment must have usernames configured for deny listing.
Example rule set configuration in Anchore Enterprise
Gate: passwd file
Trigger: denylist usernames
Required Parameters: user names = “foobar”
Action: STOP
Reference: passwd_file
| Trigger Name | Description | Parameter | Description | Example |
|---|---|---|---|---|
| content_not_available | Triggers if the /etc/passwd file is not present/stored in the evaluated image. | |||
| denylist_usernames | Triggers if specified username is found in the /etc/passwd file | user_names | List of usernames that will cause the trigger to fire if found in /etc/passwd. | daemon,ftp |
| denylist_userids | Triggers if specified user id is found in the /etc/passwd file | user_ids | List of userids (numeric) that will cause the trigger to fire if found in /etc/passwd. | 0,1 |
| denylist_groupids | Triggers if specified group id is found in the /etc/passwd file | group_ids | List of groupids (numeric) that will cause the trigger ot fire if found in /etc/passwd. | 999,20 |
| denylist_shells | Triggers if specified login shell for any user is found in the /etc/passwd file | shells | List of shell commands to denylist. | /bin/bash,/bin/zsh |
| denylist_full_entry | Triggers if entire specified passwd entry is found in the /etc/passwd file. | entry | Full entry to match in /etc/passwd. | ftp:x:14:50:FTP User:/var/ftp:/sbin/nologin |