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1
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0answers
412 views

Security risk of opening port 111 (rpcbind)?

As far as I understood rpcbind is used for listing active services, and telling the requesting client where to send the RPC request. If a host listens on port 111, one can use rpcinfo to get program ...
2
votes
0answers
149 views

NFS IP spoofing

I am using VirtualBox: where the guest is an Arch ISO and the host Windows/Cygwin or a generic Linux. For sharing host folders, VB native shared folders is not an option (since the setup requires ...
6
votes
3answers
329 views

Is it a bad idea to share the ssh host key in a diskless environment?

I am looking at this cluster of student work stations. They are diskless clients which boot from NFS. They also have sshd enabled. All of these machines share the same ssh host key (rsa,dsa,etc), ...
4
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1answer
691 views

Can auditd track events that occured over NFS

I have multiple servers mounting a NFS shared called /opt/WHATEVER from Server X. Server X has auditd enables with rule: sudo /sbin/auditctl -w /opt/WHATEVER -p rwxa When events occur on Server X ...
1
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0answers
370 views

PF NFS Firewall Issue [closed]

I have a question about NFS and PF (freebsd). I know that NFS uses both TCP and UDP to connect to the client along with a bunch of daemons that use random port numbers. Both the NFS server and ...
2
votes
1answer
530 views

NFS and encrypted File systems

Can a NFS mounted file system be used for encrypted /home, and can the encrypted Home Directories be mounted/decrypted for the user when they login?