Freeze Linux when log is full

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1















Is it possible to configure a Linux server to stop all operations when it cannot create logs, similar to the security policy in Windows called "Audit: Shut down system immediately if unable to log security audits"?



To goal would be to prevent a server from doing anything if it cannot log what it is doing. To prevent an attacker from filling the disk, or otherwise preventing the log from being written, and then carry on malicious operations from that server.










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  • By stop all operations, what exactly you mean ?

    – Atul
    Jan 31 at 16:03











  • How about checking if you are able to write to a file and "stop" the operations if you are not able to do so ? Creating a log file and checking the data using FILE=<your log file > if [ -w "$FILE" ] then echo "Able to write to the logfile, continuing operations" else echo "Not able to log to the logfile" fi

    – Atul
    Jan 31 at 16:06












  • Something similar to docs.microsoft.com/en-us/windows/security/threat-protection/…. You cannot login, no service is responding. All you can do is logon as admin and archive+clear the logs.

    – Christoffer Reijer
    Jan 31 at 20:44











  • I am looking for something robust, that would be difficult for the attacker to circumvent/disable.

    – Christoffer Reijer
    Jan 31 at 20:46















1















Is it possible to configure a Linux server to stop all operations when it cannot create logs, similar to the security policy in Windows called "Audit: Shut down system immediately if unable to log security audits"?



To goal would be to prevent a server from doing anything if it cannot log what it is doing. To prevent an attacker from filling the disk, or otherwise preventing the log from being written, and then carry on malicious operations from that server.










share|improve this question






















  • By stop all operations, what exactly you mean ?

    – Atul
    Jan 31 at 16:03











  • How about checking if you are able to write to a file and "stop" the operations if you are not able to do so ? Creating a log file and checking the data using FILE=<your log file > if [ -w "$FILE" ] then echo "Able to write to the logfile, continuing operations" else echo "Not able to log to the logfile" fi

    – Atul
    Jan 31 at 16:06












  • Something similar to docs.microsoft.com/en-us/windows/security/threat-protection/…. You cannot login, no service is responding. All you can do is logon as admin and archive+clear the logs.

    – Christoffer Reijer
    Jan 31 at 20:44











  • I am looking for something robust, that would be difficult for the attacker to circumvent/disable.

    – Christoffer Reijer
    Jan 31 at 20:46













1












1








1








Is it possible to configure a Linux server to stop all operations when it cannot create logs, similar to the security policy in Windows called "Audit: Shut down system immediately if unable to log security audits"?



To goal would be to prevent a server from doing anything if it cannot log what it is doing. To prevent an attacker from filling the disk, or otherwise preventing the log from being written, and then carry on malicious operations from that server.










share|improve this question














Is it possible to configure a Linux server to stop all operations when it cannot create logs, similar to the security policy in Windows called "Audit: Shut down system immediately if unable to log security audits"?



To goal would be to prevent a server from doing anything if it cannot log what it is doing. To prevent an attacker from filling the disk, or otherwise preventing the log from being written, and then carry on malicious operations from that server.







rhel security logs audit






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asked Jan 31 at 15:20









Christoffer ReijerChristoffer Reijer

14817




14817












  • By stop all operations, what exactly you mean ?

    – Atul
    Jan 31 at 16:03











  • How about checking if you are able to write to a file and "stop" the operations if you are not able to do so ? Creating a log file and checking the data using FILE=<your log file > if [ -w "$FILE" ] then echo "Able to write to the logfile, continuing operations" else echo "Not able to log to the logfile" fi

    – Atul
    Jan 31 at 16:06












  • Something similar to docs.microsoft.com/en-us/windows/security/threat-protection/…. You cannot login, no service is responding. All you can do is logon as admin and archive+clear the logs.

    – Christoffer Reijer
    Jan 31 at 20:44











  • I am looking for something robust, that would be difficult for the attacker to circumvent/disable.

    – Christoffer Reijer
    Jan 31 at 20:46

















  • By stop all operations, what exactly you mean ?

    – Atul
    Jan 31 at 16:03











  • How about checking if you are able to write to a file and "stop" the operations if you are not able to do so ? Creating a log file and checking the data using FILE=<your log file > if [ -w "$FILE" ] then echo "Able to write to the logfile, continuing operations" else echo "Not able to log to the logfile" fi

    – Atul
    Jan 31 at 16:06












  • Something similar to docs.microsoft.com/en-us/windows/security/threat-protection/…. You cannot login, no service is responding. All you can do is logon as admin and archive+clear the logs.

    – Christoffer Reijer
    Jan 31 at 20:44











  • I am looking for something robust, that would be difficult for the attacker to circumvent/disable.

    – Christoffer Reijer
    Jan 31 at 20:46
















By stop all operations, what exactly you mean ?

– Atul
Jan 31 at 16:03





By stop all operations, what exactly you mean ?

– Atul
Jan 31 at 16:03













How about checking if you are able to write to a file and "stop" the operations if you are not able to do so ? Creating a log file and checking the data using FILE=<your log file > if [ -w "$FILE" ] then echo "Able to write to the logfile, continuing operations" else echo "Not able to log to the logfile" fi

– Atul
Jan 31 at 16:06






How about checking if you are able to write to a file and "stop" the operations if you are not able to do so ? Creating a log file and checking the data using FILE=<your log file > if [ -w "$FILE" ] then echo "Able to write to the logfile, continuing operations" else echo "Not able to log to the logfile" fi

– Atul
Jan 31 at 16:06














Something similar to docs.microsoft.com/en-us/windows/security/threat-protection/…. You cannot login, no service is responding. All you can do is logon as admin and archive+clear the logs.

– Christoffer Reijer
Jan 31 at 20:44





Something similar to docs.microsoft.com/en-us/windows/security/threat-protection/…. You cannot login, no service is responding. All you can do is logon as admin and archive+clear the logs.

– Christoffer Reijer
Jan 31 at 20:44













I am looking for something robust, that would be difficult for the attacker to circumvent/disable.

– Christoffer Reijer
Jan 31 at 20:46





I am looking for something robust, that would be difficult for the attacker to circumvent/disable.

– Christoffer Reijer
Jan 31 at 20:46










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