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Előző változat mindkét oldalonElőző változat
Következő változat		Előző változat
linux:freeradius [2025/09/08 20:13] – riba.zoltanlinux:freeradius [2025/09/10 11:05] (aktuális) – [Kerberos hitelesítés] riba.zoltan
Sor 285: Sor 285:
  EAP-Id = 245  EAP-Id = 245
  EAP-Code = Success  EAP-Code = Success
 +</code>
 +
 +==== LDAP hitelesítés ====
 +
 +Szükséges csomagok telepítése
 +
 +<code>
 +# dnf install freeradius freeradius-utils freeradius-ldap
 +</code>
 +
 +Létre kell hozni az ldap szimbolikus linket
 +
 +<code>
 +# ln -s ../mods-available/ldap /etc/raddb/mods-enabled/ldap
 +</code>
 +
 +Menteni kell a /etc/raddb/mods-available/ldap állományt majd módosítani a tartalmát
 +
 +<code>
 +# [ ! -e /etc/raddb/mods-available/ldap.orig ] && cp -a /etc/raddb/mods-available/ldap /etc/raddb/mods-available/ldap.orig
 +
 +cat > /etc/raddb/mods-available/ldap <<'EOF'
 +ldap {
 + server = 'ldaps://dc1.adomain.lan'
 + identity = 'cn=radiusbind,cn=users,dc=adomain,dc=lan'
 + password = 12345678
 + base_dn = 'dc=adomain,dc=lan'
 +
 + update {
 + control:Password-With-Header += 'userPassword'
 + control: += 'radiusControlAttribute'
 + request: += 'radiusRequestAttribute'
 + reply: += 'radiusReplyAttribute'
 + }
 +
 + user {
 + base_dn = "${..base_dn}"
 + filter = "(sAMAccountName=%{%{Stripped-User-Name}:-%{User-Name}})"
 + }
 +
 + group {
 + base_dn = "${..base_dn}"
 + filter = '(objectClass=posixGroup)'
 + membership_attribute = 'memberOf'
 + }
 +
 + client {
 + base_dn = "${..base_dn}"
 + filter = '(objectClass=radiusClient)'
 + attribute {
 + ipaddr = 'radiusClientIdentifier'
 + secret = 'radiusClientSecret'
 + }
 + }
 +
 + accounting {
 + reference = "%{tolower:type.%{Acct-Status-Type}}"
 +
 + type {
 + start {
 + update {
 + description := "Online at %S"
 + }
 + }
 +
 + interim-update {
 + update {
 + description := "Last seen at %S"
 + }
 + }
 +
 + stop {
 + update {
 + description := "Offline at %S"
 + }
 + }
 + }
 + }
 +
 + post-auth {
 + update {
 + description := "Authenticated at %S"
 + }
 + }
 +
 + options {
 + chase_referrals = yes
 + rebind = yes
 + res_timeout = 10
 + srv_timelimit = 3
 + net_timeout = 1
 + idle = 60
 + probes = 3
 + interval = 3
 + ldap_debug = 0x0028
 + }
 +
 + tls {
 + start_tls = no
 + require_cert = 'allow'
 + }
 +
 + pool {
 + start = ${thread[pool].start_servers}
 + min = ${thread[pool].min_spare_servers}
 + max = ${thread[pool].max_servers}
 + spare = ${thread[pool].max_spare_servers}
 + uses = 0
 + retry_delay = 30
 + lifetime = 0
 + idle_timeout = 60
 + }
 +}
 +EOF
 +</core>
 +
 +Menteni kell a /etc/raddb/sites-available/default állományt majd módosítani a tartalmát
 +
 +<code>
 +# [ ! -e /etc/raddb/sites-available/default.orig ] && cp -a /etc/raddb/sites-available/default /etc/raddb/sites-available/default.orig
 +
 +cat > /etc/raddb/sites-available/default <<'EOF'
 +server default {
 + listen {
 + type = auth
 + ipaddr = *
 + port = 0
 + limit {
 + max_connections = 16
 + lifetime = 0
 + idle_timeout = 30
 + }
 + }
 +
 + listen {
 + ipaddr = *
 + port = 0
 + type = acct
 + limit {
 + }
 + }
 +
 + listen {
 + type = auth
 + ipv6addr = :: # any.  ::1 == localhost
 + port = 0
 + limit {
 + max_connections = 16
 + lifetime = 0
 + idle_timeout = 30
 + }
 + }
 +
 + listen {
 + ipv6addr = ::
 + port = 0
 + type = acct
 + limit {
 + }
 + }
 +
 + authorize {
 + filter_username
 + preprocess
 + chap
 + mschap
 + digest
 + suffix
 +
 + eap {
 + ok = return
 + }
 +
 + files
 + -sql
 +
 + ldap
 +
 + if ((ok || updated) && User-Password && !control:Auth-Type) {
 + update {
 + control:Auth-Type := ldap
 + }
 + }
 +
 + expiration
 + logintime
 + pap
 + }
 +
 + authenticate {
 + Auth-Type PAP {
 + pap
 + }
 +
 + Auth-Type CHAP {
 + chap
 + }
 +
 + Auth-Type MS-CHAP {
 + mschap
 + }
 +
 + mschap
 +
 + digest
 +
 + Auth-Type LDAP {
 + ldap
 + }
 +
 + eap
 + }
 +
 + preacct {
 + preprocess
 + acct_unique
 + suffix
 + files
 + }
 +
 + accounting {
 + detail
 + unix
 + -sql
 + exec
 + attr_filter.accounting_response
 + }
 +
 + session {
 + }
 +
 +post-auth {
 + if (session-state:User-Name && reply:User-Name && request:User-Name && (reply:User-Name == request:User-Name)) {
 + update reply {
 + &User-Name !* ANY
 + }
 + }
 +
 + update {
 + &reply: += &session-state:
 + }
 +
 + -sql
 + exec
 + remove_reply_message_if_eap
 +
 + Post-Auth-Type REJECT {
 + -sql
 + attr_filter.access_reject
 + eap
 + remove_reply_message_if_eap
 + }
 +
 + Post-Auth-Type Challenge {
 + }
 + }
 +
 + pre-proxy {
 + }
 +
 + post-proxy {
 + eap
 + }
 +}
 +EOF
 +</code>
 +
 +Menteni kell a /etc/raddb/sites-available/inner-tunnel állományt majd módosítani a tartalmát
 +
 +<code>
 +# [ ! -e /etc/raddb/sites-available/inner-tunnel.orig ] && cp -a /etc/raddb/sites-available/inner-tunnel /etc/raddb/sites-available/inner-tunnel.orig
 +
 +cat > /etc/raddb/sites-available/inner-tunnel <<'EOF'
 +server inner-tunnel {
 + listen {
 + ipaddr = 127.0.0.1
 + port = 18120
 + type = auth
 + }
 +
 + authorize {
 + filter_username
 + chap
 + mschap
 + suffix
 + update control {
 + &Proxy-To-Realm := LOCAL
 + }
 + eap {
 + ok = return
 + }
 +
 + files
 +
 + -sql
 +
 + ldap
 +
 + if ((ok || updated) && User-Password && !control:Auth-Type) {
 + update {
 + control:Auth-Type := ldap
 + }
 + }
 +
 + expiration
 + logintime
 +
 + pap
 + }
 +
 +
 + authenticate {
 + Auth-Type PAP {
 + pap
 + }
 +
 + Auth-Type CHAP {
 + chap
 + }
 +
 + Auth-Type MS-CHAP {
 + mschap
 + }
 +
 + mschap
 +
 + Auth-Type LDAP {
 + ldap
 + }
 +
 + eap
 + }
 +
 + session {
 + radutmp
 + }
 +
 + post-auth {
 + -sql
 + if (0) {
 + update reply {
 + User-Name !* ANY
 + Message-Authenticator !* ANY
 + EAP-Message !* ANY
 + Proxy-State !* ANY
 + MS-MPPE-Encryption-Types !* ANY
 + MS-MPPE-Encryption-Policy !* ANY
 + MS-MPPE-Send-Key !* ANY
 + MS-MPPE-Recv-Key !* ANY
 + }
 +
 + update {
 + &outer.session-state: += &reply:
 + }
 + }
 +
 + Post-Auth-Type REJECT {
 + -sql
 + attr_filter.access_reject
 + update outer.session-state {
 + &Module-Failure-Message := &request:Module-Failure-Message
 + }
 + }
 + }
 +
 + pre-proxy {
 + }
 +
 + post-proxy {
 + eap
 + }
 +}
 +EOF
 +</code>
 +
 +Újra kell indítani a radiusd szolgáltatást
 +
 +<code>
 +# systemctl restart radiusd
 +</code>
 +
 +Létre kell hozni a DC-n a radiusbind felhasználót akinek a jelszava nem jár le
 +
 +<code>
 +# samba-tool user create radiusbind 12345678
 +
 +# samba-tool user setexpiry radiusbind --noexpiry
 +</code>
 +
 +Tesztelhető a szolgáltatás
 +
 +<code>
 +# radtest teszt.elek 12345678 127.0.0.1 0 testing123
 +Sent Access-Request Id 158 from 0.0.0.0:39864 to 127.0.0.1:1812 length 80
 + User-Name = "teszt.elek"
 + User-Password = "12345678"
 + NAS-IP-Address = 192.168.110.11
 + NAS-Port = 0
 + Cleartext-Password = "12345678"
 +Received Access-Accept Id 158 from 127.0.0.1:1812 to 127.0.0.1:39864 length 38
 + Message-Authenticator = 0xf111666b349fe1dcc5ea191026805f2d
 </code> </code>
  
Sor 293: Sor 694:
 <code> <code>
 # dnf install freeradius freeradius-utils freeradius-krb5 krb5-workstation # dnf install freeradius freeradius-utils freeradius-krb5 krb5-workstation
 +</code>
 +
 +Hozzunk létre egy felhasználót a DC.n
 +
 +<code>
 +# samba-tool user add radius-svc --random-password
 +User 'radius-svc' added successfully
 +</code>
 +
 +Hozzunk létre SPN-t a radius szervernek
 +
 +<code>
 +# samba-tool spn add radius/dc1.adomain.lan radius-svc
 +</code>
 +
 +Ellenőrizzük az SPN-t
 +
 +<code>
 +# ldbsearch -H ldap://localhost -U administrator '(servicePrincipalName=radius/dc1.adomain.lan)' sAMAccountName servicePrincipalName
 +Password for [ADOMAIN\administrator]:
 +# record 1
 +dn: CN=radius-svc,CN=Users,DC=adomain,DC=lan
 +sAMAccountName: radius-svc
 +servicePrincipalName: radius/dc1.adomain.lan
 +
 +# Referral
 +ref: ldap://adomain.lan/CN=Configuration,DC=adomain,DC=lan
 +
 +# Referral
 +ref: ldap://adomain.lan/DC=DomainDnsZones,DC=adomain,DC=lan
 +
 +# Referral
 +ref: ldap://adomain.lan/DC=ForestDnsZones,DC=adomain,DC=lan
 +
 +# returned 4 records
 +# 1 entries
 +# 3 referrals
 +</code>
 +
 +Ez a lépés nem kötelező . Beállíthatjuk a titkosítást a felhasználói fiók esetében.
 +
 +<code>
 +# cat > ~/encryption-mod.ldif <<'EOF'
 +dn: CN=radius-svc,CN=Users,DC=adomain,DC=lan
 +changetype: modify
 +replace: msDS-SupportedEncryptionTypes
 +msDS-SupportedEncryptionTypes: 24
 +EOF
 +
 +# ldbmodify -H ldap://localhost -U administrator ~/encryption-mod.ldif 
 +Password for [ADOMAIN\administrator]:
 +Modified 1 records successfully
 +</code>
 +
 +Exportáljuk a keytab-ot
 +
 +<code>
 +# samba-tool domain exportkeytab /root/radius.keytab --principal=radius/dc1.adomain.lan
 +Export one principal to /root/radius.keytab
 +</code>
 +
 +Ellenőrizzük a keytab tartalmát
 +
 +<code>
 +# klist -k -e /root/radius.keytab
 +Keytab name: FILE:/root/radius.keytab
 +KVNO Principal
 +---- --------------------------------------------------------------------------
 +   2 radius/dc1.adomain.lan@ADOMAIN.LAN (aes256-cts-hmac-sha1-96) 
 +   2 radius/dc1.adomain.lan@ADOMAIN.LAN (aes128-cts-hmac-sha1-96) 
 +</code>
 +
 +Másoljuk be a keytabot a megfelelő helyre és állítsuk be a jogosultságot
 +
 +<code>
 +# cp -a /root/radius.keytab /var/lib/radiusd/keytab
 +
 +# chown radiusd:radiusd /var/lib/radiusd/keytab
 +
 +# chmod 0600 /var/lib/radiusd/keytab
 +</code>
 +
 +Mentsük le az eredeti kerberos konfigurációt
 +
 +<code>
 +# [ ! -f /etc/raddb/mods-available/krb5.orig ] && cp -a /etc/raddb/mods-available/krb5 /etc/raddb/mods-available/krb5.orig
 +</code>
 +
 +Módosítsuk a konfigurációt
 +
 +<code>
 +# cat > /etc/raddb/mods-available/krb5 <<'EOF'
 +krb5 {
 + keytab = ${localstatedir}/lib/radiusd/keytab
 + service_principal = radius/dc1.adomain.lan
 + pool {
 + start = ${thread[pool].start_servers}
 + min = ${thread[pool].min_spare_servers}
 + max = ${thread[pool].max_servers}
 + spare = ${thread[pool].max_spare_servers}
 + uses = 0
 + lifetime = 0
 + idle_timeout = 0
 + }
 +}
 +EOF
 +</code>
 +
 +Engedélyezzük a konfigurációt
 +
 +<code>
 +# ln -s ../mods-available/krb5 /etc/raddb/mods-enabled/krb5
 +</code>
 +
 +Indítsuk újra a szolgáltatást
 +
 +<code>
 +# systemctl restart radiusd
 +</code>
 +
 +Teszteljük a kapcsolatot
 +
 +<code>
 +# radtest -t pap teszt.elek '12345678' localhost 0 testing123
 +Sent Access-Request Id 176 from 0.0.0.0:36009 to 127.0.0.1:1812 length 80
 + User-Name = "teszt.elek"
 + User-Password = "12345678"
 + NAS-IP-Address = 192.168.110.11
 + NAS-Port = 0
 + Cleartext-Password = "12345678"
 +Received Access-Accept Id 176 from 127.0.0.1:1812 to 127.0.0.1:36009 length 38
 + Message-Authenticator = 0x662c8de328ec1703342d74ece4225877
 </code> </code>
  
linux/freeradius.1757362392.txt.gz · Utolsó módosítás: szerkesztette: riba.zoltan