Questions tagged [mit-kerberos]

78 questions
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Reset the maxlife of a kerberos ticket more than 24h

I am using MIT kerberos 5 on my machine to authenticate a user. This grants the ticket to the user. I want to reset the maxlife of a ticket for more than 24 hrs. By default the max life of a kerberos ticket is 24 hrs. I have tried the following…
Avinav Mishra
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Kerberos.Net Issue

Currently trying to implement a simple KDC using the Kerberos.Net nuget.. I have successfully gotten a token via the bruce tools that follow along, but if I try via java's kinit or MIT Kerberos client windows I get: (NOTICE i get same error with the…
Rune Jørgensen
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java.net.PortUnreachableException: ICMP Port Unreachable - Kerberos error

I am trying to run a kafka cluster with Kerberos auth enabled. kafka broker, zookeeper & kdc (kerberos) servers are started as containers inside a docker network. Kafka broker port 9092 has been mapped to host machine so able to call broker from…
MHegde
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Kerberos double-hop issue

So, for the past week I was trying to do something with this kerberos issue. Long story short, we have a server and it identifies incoming user do to some work. Recently, we needed to upload some of the results, so user is now delegated so it can…
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Apache bench. API with Kerberos Authentication

My servers have Kerberos Authentication. A sample curl command would look like below. curl --negotiate -u : Now I need to load test this with Apache Bench. How do I pass the "--negotiate -u :" to ab ?
Rajesh
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Obtain Kerberos ticket in C/C++

Does anyone know how to get a ticket from the Key Distribution Center (KDC) using the MIT krb5 API in C/C++? I already have a working Java Client which uses GSS-API to obtain a ticket from the KDC (using a local TGT) and forwards it to a Java…
Dean
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MIT Kerberos not applying password expiration upon user creation

I'm running MIT Kerberos 1.17-3 on Debian 10 for a new auth system to replace our old Kerberos setup and noticed an odd issue. When creating user principals with kadmin it is not setting a password expiration date, but if I then change the password…
JPaul
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jaas config contents reading to defaults [Kerberos]

I am trying to connect to Kerberized oracle server through a keytab in a spring boot application. I have the keytab and krb5.conf under resources and the jaas conf string under application.yml like : kerberos: jaasContent: "Client { \n …
N Patil
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NFSGanesha Caches kerberos uid/gid for the client

I mounted an export in NFS client , i have provided the "750" user permission for the export. I started with the user who has RW access. for example "user1". How to disable to caching at the NFSGanesha side? Is it caching for the clients IP at the…
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Why does a client machine need a kerberos service principal

I'm trying to understand Kerberos and getting confused with the service principals. Assume I wanna access a NFS share secured by Kerberos. I have the following three different nodes: A Client machine (with a user called test) KDC (AS/TGS) NFS…
supercoast
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Kerberos requesting for password after generating TGT

I have followed the below steps to set up the Kerberos server for centos. Inserted valid fqdn in /etc/hosts file. Changed realm name in /var/kerberos/krb5kdc/kdc.conf Changed realm name in /var/kerberos/krb5kdc/kadm5.acl Configured…
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GSSException when running SPNEGO Kerberos with Integrated Windows Authentication

I am trying to setup Kerberos Integrated Windows Authentication using spnego and tomcat. This is first time I am doing this and have not seen a real enviornment so relying on online documentation mostly the spnego site. I am getting below…
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kerberos kinit gives java.lang.NullPointerException on Windows server 12

When I run kinit command on windows server 2012 it gives null pointer error. please give me any solution. D:\Junk_Folder>kinit user Password for user@DOMAIN.COM: Exception: java.lang.NullPointerException java.lang.NullPointerException at…
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How to fix error in MIT Kerberos Ticket Initialization failed. Error 22

Hi I am currently trying to connect my Tableau Platform to my database and I am currently going through installing the Kerberos client. I have pasted the correct krb5.ini within my c:\programdata\MIT folder and also added a new variable within my…
Michael Owen
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Get the ticket from KDC(centos7) in my windows but still cannot reach the web URL

I am new to Hadoop and I made a Hadoop cluster with 3 centos machine in my VMware, and I also kerberosing the cluster, it works fine in the VMware, I can reach the URL by FireFox in CenotOS machine However, when I try to reach the page outside the…
Rye
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