Which ports samba uses

Even more: opening anything, which does not have adequate security support, to the whole Internet is generally bad idea. I would recommend to use IPsec transport mode to protect it at least. Show 1 more comment. Juan Juan 79 1 1 silver badge 1 1 bronze badge. Given that the OP asked about Windows computers and their level of understanding of iptables is completely unknown, this would be better written out than as a completely different system's configuration file.

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In addition to the network specific protections above, you can implement a data centric security plan to protect your most important resource — the data that lives on your SMB file shares.

Understanding who has access to your sensitive data across your SMB shares is a monumental task. Varonis maps your data and access rights and discovers your sensitive data on your SMB shares.

Monitoring your data is essential to detect attacks in progress and protect your data from breaches. Varonis can show you where data is at-risk on your SMB shares and monitor those shares for abnormal access and potential cyberattacks.

Researching and writing about data security is his dream job. Choose a Session X. Moving to Office ? Run on kerberos host: kadmin.

Also note that the password is stored in plain text in the secrets. Test the configuration parameters in the smb. Note that on Red Hat machines nmbd is automatically started. Check domain SIDs. Check to see if the user SIDs are there and correct: net usersidlist This should return testuser and nobody. If all the above is fine, we should be able to connect to our file server with kerberos: kinit testuser smbclient -L fs Just to see if we can list the shares available on the server.

List the services available on our server as user testuser using our kerberos ticket: smbclient -U testuser -L fs