Nfs krb5 — различия между версиями

[root@vm-01 ~]# mkdir -p /srv/nfs/krb-share
[root@vm-01 ~]# semanage fcontext -at public_content_rw_t '/srv/nfs/krb-share(/.*)?' 
[root@vm-01 ~]# restorecon -vR /srv/nfs/krb-share/
restorecon reset /srv/nfs/krb-share context unconfined_u:object_r:var_t:s0->unconfined_u:object_r:public_content_rw_t:s0
[root@vm-01 ~]# ls -lahiZ /srv/nfs/
drwxr-xr-x. root root    unconfined_u:object_r:var_t:s0   .
drwxr-xr-x. root root    system_u:object_r:var_t:s0       ..
drwxrws---. root account unconfined_u:object_r:public_content_rw_t:s0 account
drwxr-xr-x. root root    unconfined_u:object_r:public_content_rw_t:s0 krb-share
drwxr-xr-x. root root    unconfined_u:object_r:var_t:s0   public
[root@vm-01 ~]#

[root@vm-01 ~]# cat /etc/exports.d/account.exports 
/srv/nfs/krb-share      192.168.10.0/24(sec=krb5p,rw,root_squash)
[root@vm-01 ~]#

[root@vm-01 ~]# id randy
uid=10002(randy) gid=10000(virtuallab) groups=10000(virtuallab),10002(unix)
[root@vm-01 ~]# chown randy:unix /srv/nfs/krb-share/
[root@vm-01 ~]# chmod 750 /srv/nfs/krb-share/
[root@vm-01 ~]# ls -lahiZ /srv/nfs/krb-share/
drwxr-x---. randy unix unconfined_u:object_r:public_content_rw_t:s0 .
drwxr-xr-x. root  root unconfined_u:object_r:var_t:s0   ..
[root@vm-01 ~]#

[root@vm-01 ~]# exportfs -avr
exporting 192.168.10.0/24:/srv/nfs/public
exporting 192.168.10.0/24:/srv/nfs/krb-share
exporting 192.168.10.0/24:/srv/nfs/account
[root@vm-01 ~]#

[root@vm-01 ~]# semanage boolean -l | grep nfs_export
nfs_export_all_rw              (on   ,   on)  Allow any files/directories to be exported read/write via NFS.
nfs_export_all_ro              (on   ,   on)  Allow any files/directories to be exported read/only via NFS.
[root@vm-01 ~]#

[root@vm-01 ~]# systemctl restart nfs-server.service 
[root@vm-01 ~]# systemctl is-active nfs-server.service
active
[root@vm-01 ~]# systemctl is-enabled nfs-server.service
enabled
[root@vm-01 ~]#

[root@vm-01 ~]# firewall-cmd --add-service={mountd,nfs,rpc-bind} --permanent
success
[root@vm-01 ~]# firewall-cmd --reload
success
[root@vm-01 ~]# firewall-cmd --list-services
dhcpv6-client http https mountd nfs rpc-bind ssh
[root@vm-01 ~]#

[root@vm-01 ~]# showmount -e vm-01.virtual.lab
Export list for vm-01.virtual.lab:
/srv/nfs/public  192.168.10.0/24
/srv/nfs/account 192.168.10.0/24
[root@vm-01 ~]#

[root@vm-02 ~]# showmount -e vm-01.virtual.lab
Export list for vm-01.virtual.lab:
/srv/nfs/public  192.168.10.0/24
/srv/nfs/account 192.168.10.0/24
[root@vm-02 ~]# mkdir -p /mnt/nfs/account
[root@vm-02 ~]# mount.nfs4 -v -o nfsvers=4.2 vm-01.virtual.lab:/srv/nfs/account /mnt/nfs/account/
mount.nfs4: timeout set for Fri Nov 30 17:31:40 2018
mount.nfs4: trying text-based options 'nfsvers=4.2,addr=192.168.10.8,clientaddr=192.168.10.9'
[root@vm-02 ~]# ls -lahiZ /mnt/nfs/
drwxr-xr-x. root root    unconfined_u:object_r:mnt_t:s0   .
drwxr-xr-x. root root    system_u:object_r:mnt_t:s0       ..
drwxrws---. root account unconfined_u:object_r:public_content_rw_t:s0 account
drwxr-xr-x. root root    unconfined_u:object_r:mnt_t:s0   public
[lisa@vm-02 ~]$ printf "This is Lisa, and this is my file.\n" > /mnt/nfs/account/account.txt
[lisa@vm-02 ~]$ chmod 660 /mnt/nfs/account/account.txt 
[lisa@vm-02 ~]$ ls -lahiZ /mnt/nfs/account/account.txt 
-rw-rw----. lisa account unconfined_u:object_r:public_content_rw_t:s0 /mnt/nfs/account/account.txt
[lisa@vm-02 ~]$ exit
logout
[root@vm-02 ~]# su - mary
Last login: Fri Nov 30 17:32:49 MSK 2018 on pts/0
[mary@vm-02 ~]$ printf "This is Mary, and this is my contibution to Lisa's work.\n" >> /mnt/nfs/account/account.txt
[mary@vm-02 ~]$ ls -lahiZ /mnt/nfs/account/account.txt 
-rw-rw----. lisa account unconfined_u:object_r:public_content_rw_t:s0 /mnt/nfs/account/account.txt
[mary@vm-02 ~]$ cat /mnt/nfs/account/account.txt 
This is Lisa, and this is my file.
This is Mary, and this is my contibution to Lisa's work.
[mary@vm-02 ~]$ exit
logout
[root@vm-02 ~]# ls -lahi /mnt/nfs/account/
ls: cannot open directory /mnt/nfs/account/: Permission denied
[root@vm-02 ~]#