Hi, > Hi, > > > Hi, > > > > > Is there any guide to install/test nfs sec=krb5? > > > > A better document: > > https://www.delltechnologies.com/asset/en-us/products/storage/industry-market/h17769_integrating_onefs_with_kerberos_wp.pdf > > 3.1.2 Configurations for Kerberized NFS with AD > > > > we just directly add nfs/ SPN in 'Figure 5 Check SPNs in AD'. > > and we no longer need ''ktpass.exe -mapUse' in another document: > > http://doc.isilon.com/ECS/3.3/AdminGuide/ecs_t_file_access_confgure_kerberos.html > > http://doc.isilon.com/ECS/3.7/AdminGuide/GUID-2018CF69-5F1E-4F3A-BA90-3659F85DE415.html > > > > and then 'mount.nfs4 -o sec=krb5' works in rocky linux 9.1. > > I test more case with different nfs server / nfs client version. > > SPN host/ > 'realm join' auto create > SPN nfs/ > setspn.exe -S nfs/T3610 T3610; setspn.exe -S nfs/T3610.e16-tech.com T3610 > > 'kinit -k nfs/t3610.e16-tech.com@xxxxxxxxxxxx' no need to work > 'kinit -k host/t3610.e16-tech.com@xxxxxxxxxxxx' no need to work. > > el9: rocky linux 9.1 > el8: oracle linux 8.6 > el7: centos 7.9 > > nfs-server/el9 nfs-client OK/el7, *1/el8, OK/el9 > nfs-server/el8 nfs-client OK/el7, *1/el8, *1/*2/el9 > nfs-server/el7 nfs-client OK/el7, OK/el8, *1/*2/el9 > *1 Permission denied sssd-ad/winbind-ad do not need rDNS. but for nfs sec=krb5, we need rDNS to work. here there is not only cables that connect to the switch, but also some cables that directly connect to another server. > *2 Invalid argument # when kernel 5.15 in nfs-server, kerenl 6.1 in nfs-client rpc-gssd.service maybe NOT running. we need 'systemctl enable --now nfs-client.target' #vendor preset: disabled@el9, enabled@el7/el8 Now sec=krb5 works well here. Best Regards Wang Yugui (wangyugui@xxxxxxxxxxxx) 2023/01/23 > > nfs-utils version: 1.3.0/el7, 2.3.3/el8, 2.5.4/el9 > kernel: same 5.15.y/6.1.y on el9/el8/el7 > > Best Regards > Wang Yugui (wangyugui@xxxxxxxxxxxx) > 2023/01/23