Authentication is the process of proving your identity to a computer. It differs from authorization, which is the process of granting certain privileges to someone.

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Linux Scripting - SSH Authentication - Limiting Fail Attempts [closed]

I have a script that reads an input file with twenty command lines to be tested against remote servers through SSH command line and I need your help to find out how to limit the ssh login attempts in ...
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2answers
262 views

is there a system that will redistribute a WiFi signal

Where I live we have community WiFi and it is authenticated with a password via a browser. This all works just fine on my Android/iPhone devices but I have a Blu-Ray device and a couple of Nintendo ...
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1answer
148 views

LDAP configuration is not working for redmine

We have a set of ubuntu machines which authenticate using LDAP. I have installed redmine application in one of the ubuntu machines and configured using the redmine ldap configuration. It seems to go ...
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1answer
82 views

Authentication requests for HTTPS calls through an HTTP proxy

Am I right in thinking that if you have a service protected by SSL on the other side of an HTTP proxy which requires authentication that: You authenticate using HTTP sending an unencrypted (albeit ...
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3answers
215 views

Kerberos and LDAP complex relationship

I have problems understanding the relationship between LDAP and Kerberos (Conceptually). I understand LDAP as a directory service, and Kerberos as an authentication service. We also know that LDAP ...
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0answers
2k views

Samba, winbind and AD authentication: username is invalid on this system

I am trying to set up a file server with Active Directory authentication using Samba and Winbind. Domain controller is Windows 2000 SP4 (don't judge). File server is Debian 7.7 (latest stable). This ...
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1answer
26 views

SVN per repo authentication

I have several repos and have set a password for all the users in /etc/apache2/dav_svn.passwd with htpasswd command. I would like to set per repo authentication for every single repository. By the ...
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0answers
1k views

Authenticate Zimbra Domain with Zentyal Server (using External LDAP)

I have installed and configured Zimbra 8.5 and Zentyal 4.0. Now, I am trying to let Zimbra Authenticate form the Zentyal LDAP server. The base Domain name is mycompany.local. Can anyone please give ...
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1answer
85 views

Automated file transfer using challenge-response authentication method [duplicate]

Doing SCP to a remote server to put the files. While we do that, we need to authenticate to the remote server using the challenge-response authentication method where we have a separate authentication ...
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0answers
126 views

SSH Agent Forwarding not working even when using `ssh -A`

First of all, I've checked all the following Agent Forwarding not working Extra configuration required for ssh-agent forwarding? SSH Agent Forwarding Not Working ...
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0answers
822 views

How do I change or add a user for BIOS fingerprint reader in HP pro book 6540b

I have a HP pro book 6540b with fingerprint reader. I recently re-installed windows 7 (full hd wipe). I was planning on giving the laptop to my wife. But, before windows even starts to load the user ...
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1answer
298 views

openssh server not able to root login

I have root filesystem(compiled using Buildroot). I start openssh server by executing /usr/sbin/sshd. /usr/sbin/sshd uses /etc/sshd_config to configure itself . The parameters enabled in ...
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1answer
72 views

Why Access denied when removing files/folder on Windows

What does really happen when I try to remove a folder on windows (7, 2008, 2012) and get the "famous": You need permission to perform this action ... Folder Access denied What I've done : I ...
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1answer
84 views

Which HTTP Authentication used?

I need a way to find out which HTTP Auth mechanism is used for a particular website/web-server, which is responding to my HTTP request. I am open to use any browser, or any other tool (like ...
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0answers
91 views

Automate Interactive method of authentication for file transfer

Interactive method of authentication There is a server A and Server B Server A is the File Transfer server It has the files stored in it and we issue command scp admin@IP of REMOTE ...
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2answers
4k views

getent passwd doesn't work; CentOS 7 and SSSD LDAP authentication

I installed CentOS 7 on a brand new server. All my servers get end user authentication through LDAPS on various system as RHEL5, Debian, and Solaris. I noticed there is a new layer on CentOS 7 which ...
1
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1answer
6k views

How to stop cloudflare authentications when visiting a site?

I have multiple systems running in the same network, but when I try to visit some websites, I always get the Cloudflare authentication captchas. It is really irritating, because I don't face it in my ...
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0answers
1k views

mr.google.com at email header

Some email headers show : Received-SPF: pass (google.com: domain of //////////@gmail.com designates 10.180.106.10 as permitted sender) client-ip=10.180.106.10 X-Received: from mr.google.com ...
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1answer
139 views

RDP client (mstsc) can't log in to any server

RDP Client suddenly stopped logging in to any RDP server. I'm sure that my credentials are right; I can log in via Remmina on Linux, but can't do it on Windows native TSC. I tried to remove ...
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1answer
46 views

Authenticate User's Unix Credentials via Web Browser

Can anyone give me tips on how to authenticate a user's Unix credentials through the browser? I am basically giving access to some file viewing and I want to make sure the users are authenticated but ...
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1answer
412 views

Kerberos failure emergency: need to filter a Wireshark capture to show only Kerberos and SPNEGO traffic

I am attempting to troubleshoot a serious Kerberos authentication problem on our SBS 2003 domain (none of our Windows 7 or XP workstations can authenticate). We have logged failed Kerberos ...
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1answer
175 views

Emulate an LDAP-Authentication based on IMAP

Is there a way to emulate a LDAP-Server while in the background authenticate against an IMAP-Server? Explanation: I'm running some services in in our local network like Git, SVN, Seafile and ...
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0answers
75 views

LDAP role/group membership

We have many users registered in our LDAP auth. So far we've only stored login and mail-related information in this LDAP. In our main application (Play! Framework), we needed to modelise roles ...
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1answer
31 views

clarifying mac adress validation using a wireless router

I have access to an ethernet port which requires a mac address validation and the system only allows one value to be registered at any given time. If I use a wireless router and register its mac ...
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1answer
80 views

Command or Batch file to see when a remote computer last authenticated to the network

I am trying to clean up my AD OUs and have some unpingable computers. So I was wondering if there was a command I could run to find out when the last time those computers last authenticated to the ...
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1answer
2k views

Firefox 31 keeps asking for Proxy Authentication

I read a lot of questions through the internet about this, but I didn't find any one that worked for me. In Options>Advanced>Connection I have chosen the Manual Proxy Configuration, I have entered my ...
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77 views

Can't log in to SVN server

I have an SVN server on my Raspberry Pi (Raspbian). It has a project under the directory /welcome, and I want to add users to it. My users would be admin with password admin and user2 with password ...
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1answer
225 views

Wget - Problems recursively downloading with authentication

So I'm trying to download the entire domain of a private wiki page. I've saved the cookies in a cookies.txt file and using it with wget for authentication like so: wget --load-cookies=cookies.txt ...
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1answer
119 views

Allowing authenticated access to a site without giving credentials to the local users

I'm administrating a company where we have a single account with a service website and we would like users to be able to access that website as if they were authenticated with the company's account. ...
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2answers
248 views

Can a client server host multiple private ssh key for same profile?

I have a client who is using Tectia Client to connect to our UAT. They created a ssh pair and imported the private key to the profile they are using to connect,and passed us the public key. Now we ...
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0answers
76 views

Postfix auth with username containing an at sign?

How can I configure Postfix so that a user sending an email can authenticate with a full email address containing an at sign (@) and a TLD, such as "info@mydomain.com"? Currently my "info" account is ...
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0answers
262 views

ssh into localhost - password for private key

My goal is to be able to ssh into localhost on my remote linux machine (Ubuntu 12.04 LTS x64). I have a private key that on my local Windows that I use in putty to access that remote machine. On the ...
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1answer
822 views

Use custom SSH authentication mechanism (OpenSSH)

I have a collection of servers (Debian/Ubuntu) for which I need to create a custom ssh authentication mechanism. I found a couple of 'same-ish' examples for reference with Duo and Authy. They are ...
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1answer
39 views

Algorithm based SSH authentication

I am investigating possible solutions for our company server access. The company distributes linux servers, some end up having public IP's accesses others are isolated on private networks. The problem ...
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1answer
441 views

CNTLM for Windows stopped working

I have Windows 8.1 64bit and CNTLM version 0.92.3. It was working perfectly on my machine before it stopped working 1 week ago. The service still starts correctly but when i use cntlm proxy this ...
0
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1answer
116 views

Sign in with Mongo shell without having password shown?

How can I sign into the Mongo shell without showing my password? Everything says to either use mongo -u user -p password -authenticationDatabase admin or mongo > use admin; > db.auth('user', ...
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2answers
220 views

Apache Authorization for the Allowed Users? [closed]

I have read the answer to this question: http://stackoverflow.com/questions/4102763/apache-basic-authentication-except-for-those-allowed It helped me understand how to not authenticate some users ...
0
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2answers
116 views

Restrict a user to SSH authentication with a key

Is there any possibility to restrict the password based authentication to a particular user in Solaris 10? The particular user should not log in with a password. Instead he should be able to log in ...
0
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1answer
50 views

Mozilla Thunderbird HTTP Authentication

I set up Mozilla Thunderbird on Windows 7 Enterprise, and I set my main page to my own site. (Which requires HTTP/1.1 authentication). Before I even have an HTTP authentication window (displayed for ...
0
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1answer
130 views

Is there a tool to manipulate pg_hba.conf programmatically (if not what comes closest)? [closed]

I'm looking for anything above the level of programmatic file manipulation, a command or a python library. There seems to be no alternative to editing the file (assuming that ...
2
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0answers
143 views

How to mitigate IP fragmentation attacks before reassembly when authentication information is available?

I'm trying to filter incoming traffic to high bandwidth, low latency network, to mitigate DDOS. The incoming traffic is custom UDP (I'm setting the protocol specs so I can force IP headers if ...
0
votes
1answer
140 views

Deploy PAM system-auth file from Configuration Server (Spacewalk)

I have my pam.d system-auth file set up correctly on a laptop to set password complexity requirements. If the contents of the file are copied directly into the /etc/pam.d/system-auth location (or the ...
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0answers
63 views

Firefox - display basic authentication settings

Is there an option or other means in Firefox that will indicate whether I am authenticated to a given site via basic authentication? E.g., I visit my webserver and login using basic auth. I would ...
0
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1answer
745 views

Why chrome not able to authenticate proxy even after supplying password

I am facing this rather weird issue: with proxy. In my organisation we are using proxy. What I am able to do: I am able to connect to internet using IE 9. I am able to connect to internet using ...
0
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1answer
173 views

Github: How to use SecurID desktop application for two factor authentication?

Can the SecurID desktop application be used for two factor authentication on Windows or Mac? I don't have a phone and would like to use it, and it seems like it should be possible from some posts ...
7
votes
3answers
11k views

How to authenticate to a VM using Vagrant up?

Authentication failure during Vagrant Up, while vagrant ssh and ssh vagrant@localhost -p2222 works I would like to execute a shell script using Vagrant at boot. Vagrant is unable to Authenticate, ...
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1answer
37 views

Removing/Unlocking a password on an embedded board

I have a bit of a problem with an embedded device that I am using to connect to through ssh from my Linux machine. I'm not sure why, but suddenly, after not connecting to this board for several weeks, ...
2
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1answer
4k views

Ping with proxy authentication in windows

I am trying to ping google.com from my computer. I use a Internet connection which works on a proxy and requires proxy authentication. I have been using linux till now and there we can easily modify ...
1
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1answer
123 views

Dovecot not honoring dovecot.conf (auth failure)?

My dovecot.conf has the following entry: auth_mechanisms = plain login digest-md5 cram-md5 Dovecot is using the dovecot.conf: $ dovecnf -n # 2.1.7 /etc/dovecot/dovecot.conf When I attempt to run ...
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3answers
80 views

Correct option for SSH authentication?

I'm using rdiff-backup to send incremental backups to my local server. My host is Windows and my remote is a Linux machine. I'm trying to get my script to execute the following: command = ...