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Questions tagged [banner]

17 questions
27
votes
12 answers

SSH client option to suppress server banners?

I've read Stop ssh login from printing motd from the client?, however my situation is a bit different : I want to keep Banner /path/to/sometxt serverside I would like to pass an option under specific conditions so that Banner is not printed (eg ssh…
user130370
22
votes
2 answers

SSH MOTD per user

I want to display banner (welcome message) for SSH users with a specific welcome message for each user.
user260277
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5
votes
2 answers

How to display SSH banner at login, but only for password authentication

I have a warning message that is displayed to a user after they enter their username to log in to our Linux servers. I only want to display this message for password authentications, and not when keys are used. It should only show to a user who is…
Banjer
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4
votes
3 answers

Chrome caching 302 redirects

I have a php script with is used to rotate banner images on a site. Under Firefox/IE page refreshes will make another request and a different image will be returned. Under Chrome, the request seems to be cached and only opening the page in a new…
Thermionix
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3
votes
3 answers

Showing the IP in the banner before login

I have a Linux machine and I want it to show the current IP in the banner that shows before the login prompt is displayed. How can I do that? I considered making a startup script that finds the IP in the MOTD, but found that the MOTD gets displayed…
Ram Rachum
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2
votes
2 answers

Exchange 2013 Banner

We have an exchange 2013 server that is failing a reverse SMTP Banner Check: 220 [Internal IP] ESMTP Smtpd; I have gone into our exchange receive connector for the internet, "Default frontend servername" and have changed the banner to "220 SMTP OK…
a.cirelli
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2
votes
2 answers

How do you implement a warning banner in Fedora?

Related to this question, how do I go about implementing said warning banner on a gnome based Fedora 11 or Fedora 12 installation? I only care about the graphical login. I used the NSA guide to implement the banner in Fedora 10 and it worked just…
Jay R.
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1
vote
1 answer

Postfix: Set custom SMTP Banner based on domain (same ip) used to access server

I have multiple domains on my server pointing to the same ip address. How can I setup postfix to greet with each individual smtp banner based on the domain name? I've searched everywhere but didn't find a good solution, maybe it isn't possible at…
FixFaier
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1
vote
3 answers

How to change OpenSSH banner text when testing the port via telnet

I'm deploying a script that runs on various clients behind firewalls that I don't control. The script attempts an SSH client login to a remote server that I do control (the script comes pre-loaded with a private key for authentication). Some of the…
rwired
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0
votes
0 answers

postfix: remove html banner from relayhost

I'm using postfix with relayhost. My relayhost adds a html banner a the bottom by default in the mails. Can I force to remove the banner? /etc/postfix/main.cf # specify SMTP relay host relayhost = 192.168.18.5 /etc/postfix/master.cf # # Postfix…
ZiTAL
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0
votes
1 answer

want SSH banner to show up before OTP and password request

We use two-factor-authentication for some servers, i.e. OTP (one time password) token plus password. I want to provide users with some informations BEFORE they are asked for their credentials. With single factor authentication this can easily be…
MarkHelms
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0
votes
3 answers

is it possible to ignore banner on ssh but not from login

As we all know, we can type banner in /etc/motd or in the file /etc/issue.net, so every user that login to the Linux machine will get the banner message, for example: Red Hat Enterprise Linux Server release 6.8 (Santiago) Kernel \r on an…
yael
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0
votes
1 answer

Banner Grabbing DNS?

How does one banner grab DNS? I'm able to banner grab other services such as HTTP/FTP/SMTP but for DNS it's not immediately obvious. Typically for HTTP I use nc with HEAD / HTTP/1.1 {ENTER}{ENTER}. I had assumed that it'd be possible with DNS if…
user101130
0
votes
2 answers

220 **** smtp banner while telnet mail server on a Windows XP , hmail server linksys WRT120 n router

we have setup server ,mail server using HMail server and oyr RDNS / PTr is also solved but when do smtp test from mxtoolbox.com we are getting 220 ********* kind of message. our server configuration : OS : windows XP Mail Server : Hmail Server IP…
panindra
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0
votes
1 answer

Banner Grabbing Spoofing

I run a windows server 2008 standard R2. Is there a way to spoof the server banner ? So instead of Microsoft-IIS/7.5 it could be anything.
SysAdminBeginner
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1
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