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  1. RHEL
  2. RHEL-4898

ipa trust-add fails with ipa: ERROR: Insufficient access in FIPS mode

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    • Known Issue
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      .IdM in FIPS mode does not support using the NTLMSSP protocol to establish a two-way cross-forest trust

      Establishing a two-way cross-forest trust between Active Directory (AD) and Identity Management (IdM) with FIPS mode enabled fails because the New Technology LAN Manager Security Support Provider (NTLMSSP) authentication is not FIPS-compliant. IdM in FIPS mode does not accept the RC4 NTLM hash that the AD domain controller uses when attempting to authenticate.
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      .IdM in FIPS mode does not support using the NTLMSSP protocol to establish a two-way cross-forest trust Establishing a two-way cross-forest trust between Active Directory (AD) and Identity Management (IdM) with FIPS mode enabled fails because the New Technology LAN Manager Security Support Provider (NTLMSSP) authentication is not FIPS-compliant. IdM in FIPS mode does not accept the RC4 NTLM hash that the AD domain controller uses when attempting to authenticate.
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      Description of problem:

      Even after applying "update-crypto-policies --set FIPS:AD-SUPPORT", the ipa trust-add fails with the Error: "Insufficient access in FIPS mode."

      Version-Release number of selected component (if applicable):
      ipa-server-4.9.10-5.module+el8.7.0+16195+c459c321.x86_64
      ipa-server-dns-4.9.10-5.module+el8.7.0+16195+c459c321.noarch
      ipa-server-trust-ad-4.9.10-5.module+el8.7.0+16195+c459c321.x86_64
      sssd-ipa-2.7.3-2.el8.x86_64

      How reproducible:
      100%

      console output:
      2022-08-22T18:01:03+0000 [ip-10-0-203-230.rhos] Setting system policy to FIPS:AD-SUPPORT
      2022-08-22T18:01:03+0000 [ip-10-0-203-230.rhos] Note: System-wide crypto policies are applied on application start-up.
      2022-08-22T18:01:03+0000 [ip-10-0-203-230.rhos] It is recommended to restart the system for the change of policies
      2022-08-22T18:01:03+0000 [ip-10-0-203-230.rhos] to fully take place.

      Running 'echo <xxxxxxxx> | ipa trust-add win2012r2-fl8g.test --admin Administrator --range-type=ipa-ad-trust --password --two-way=True'

      2022-08-22T18:17:01+0000 [ip-10-0-203-230.rhos] *** Current Time: Mon Aug 22 14:17:00 2022 Localwatchdog at: Tue Aug 23 13:31:00 2022
      2022-08-22T18:17:08+0000 [ip-10-0-203-147.rhos] *** Current Time: Mon Aug 22 14:17:07 2022 Localwatchdog at: Tue Aug 23 13:31:06 2022
      2022-08-22T18:17:32+0000 [ip-10-0-203-230.rhos] ipa: ERROR: Insufficient access: IPA master denied trust validation requests from AD DC 10 times. Most likely AD DC contacted a replica that has no trust information replicated yet. Additionally, please check that AD DNS is able to resolve _ldap._tcp.atmt2k12r2.test, _ldap._tcp.Default-First-Site-Name._sites.dc._msdcs.atmt2k12r2.test SRV records to the correct IPA server.

      Additional information:
      sssd.log
      (2022-08-22 14:30:17): [be[atmt2k12r2.test]] [ipa_idmap_check_posix_child] (0x4000): RID#1 Trying to add idmap for domain [S-1-5-21-2745230106-1393044594-1451765025].
      (2022-08-22 14:30:17): [be[atmt2k12r2.test]] [sss_domain_get_state] (0x1000): RID#1 Domain atmt2k12r2.test is Active
      (2022-08-22 14:30:17): [be[atmt2k12r2.test]] [ipa_idmap_check_posix_child] (0x0040): RID#1 find_domain_by_sid failed with SID [S-1-5-21-2745230106-1393044594-1451765025].
      (2022-08-22 14:30:17): [be[atmt2k12r2.test]] [ipa_idmap_get_ranges_from_sysdb] (0x0040): RID#1 ipa_idmap_check_posix_child failed.
      (2022-08-22 14:30:17): [be[atmt2k12r2.test]] [sdap_idmap_domain_has_algorithmic_mapping] (0x0080): RID#1 Could not add new domain for sid [S-1-5-21-2745230106-1393044594-1451765025]
      (2022-08-22 14:30:17): [be[atmt2k12r2.test]] [ipa_subdom_store] (0x0400): RID#1 Domain mpg mode for win2012r2-fl8g.test: false
      (2022-08-22 14:30:17): [be[atmt2k12r2.test]] [ldb] (0x10000): RID#1 Added timed event "ldb_kv_callback": 0x564d23962a80

              ftrivino@redhat.com Francisco Trivino Garcia
              mvarun@redhat.com Varun Mylaraiah
              Francisco Trivino Garcia Francisco Trivino Garcia
              IPA QE Bot IPA QE Bot
              Filip Hanzelka Filip Hanzelka
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                Created:
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