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0answers
22 views

Haproxy: reject traffic by user agent from file

I am trying to reject connections from specific user agents (by matching a substring of the user-agent header) using an haproxy ACL with -f option to read from a file. However it is not working, it ...
0
votes
1answer
33 views

NGiNX Custom Cache param based on regex match

My question(s) are as follows: How do I set custom variables based on regexp against a useragent? How do I set custom headers for the reverse-proxy request? How do I use these values as caching ...
0
votes
1answer
32 views

user agent in http or https request

Is there any way that I can differentiate, the HTTP or HTTPS packets are coming from browser or not ? specially for https request.There is User-Agent field in packet in Http,but I could not found ...
0
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1answer
55 views

mod_security not blocking empty useragent requests

I can't get mod_security to block empty useragent requests. I am not very saavy with it so after searching I found this rule: SecMarker BEGIN_UA_CHECK SecRule &REQUEST_HEADERS:User-Agent "@eq 0" ...
0
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1answer
26 views

How to filter request using IP restrictions OR a filtering rule

We have an IIS site right now that has an allow list for a specific list of IP addresses, and all other IPs denied by default. We want to add another rule, that states that if the request coming in as ...
0
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0answers
74 views

Nginx shows no user agent string

I have been dealing with an issue on one of my servers for quite a while now. In short, the server receives massive spikes in load - up to 50 - but the site gets almost no traffic. I know this can be ...
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votes
2answers
720 views

Is this user agent string related to Safari?

Mozilla/5.0 (iPhone; CPU iPhone OS 7_1 like Mac OS X) AppleWebKit/536.26 (KHTML, like Gecko) GSA/3.2.1.25875 Mobile/11D167 Safari/8536.25 What's that "GSA" part? I've tried to figure it out, but ...
0
votes
1answer
89 views

Nginx: security vs conditionals

I was reading around looking for some security steps that can be taken in Nginx to protect apps I'm serving using Nginx as a reverse proxy. I found this code which has some good things in it to ...
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1answer
893 views

IIS not sending ASP.Net cookies to IE10 (and only to IE10)

I have IIS 7.5 server running ASP.Net application, which for some reason doesn't send ASP.Net authentication cookies to IE10. This happens only when request comes in from IE10 browser and only over ...
0
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3answers
52 views

Need Explanation of User Agent

I'm analyzing user agent field of different types of web server logs. Ex. Apache Access Log/W3C/iplant etc. I found some lines in the log files have following type of user agents. I'm confused since ...
1
vote
2answers
2k views

How can I block a user agent from all sites on my server?

I originally this posted at webmasters.stackexchange.com, but was told I'd get a better reception here. For the last few days, I've been suffering from what appears to be a (presumably inadvertent) ...
0
votes
3answers
2k views

nginx not blocking user agents

I have this in my .conf file for my website in attempt to block 2 user agents from constantly probing my server. ## Block http user agent - morpheus fucking scanner ## if ($http_user_agent ~* ...
0
votes
3answers
137 views

How can I test for a URLs existeance before redirecting to it?

I am using Apache's mod_rewrite to redirect mobile users to my mobile site based on their http_user_agent. However not all pages have a mobile equivalent. Also mobile pages end in .html and "full" ...
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votes
1answer
121 views

.htaccess user agents and website security [closed]

I have been looking around and trying to work out the best way to protect a few websites of mine. Appart from the obvious manual monitoring of the site logs and banning extreme/suspicious activity. I ...
-1
votes
2answers
310 views

Please deconstruct a user agent string for me

Okay I give up. Given the user agent string below, which browser is being used? It might be IE8, since I can't envision firefox sending this. If it is IE8, why the hell is the "Mozilla" string in ...
0
votes
1answer
2k views

NGINX MIME TYPE

I have my nginx conf file so that when ever a mobile device visits my site the url gets rewritten to m.mysite.com I did it by adding the following set $mobile_rewrite do_not_perform; if ...
31
votes
1answer
4k views

illegitimate traffic from user agent Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.0.10) Gecko/2009042316 Firefox/3.0.10 (.NET CLR 3.5.30729)

This is a rapidly changing event that has no answer yet. Please do not post your findings or assumptions as answers; reserve the answer field for when you actually have an answer. If ...
1
vote
1answer
231 views

Access Logs - Useragent changes after first request

Has anyone noticed Internet Explorer useragents changing in their access logs? - - 12.345.6.789 - - [24/Feb/2012:15:59:59 -0800] "GET HTTP/1.1" 200 4759 "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT ...
0
votes
2answers
5k views

How to create .htaccess and block UserAgent libwww-perl?

I have been testing my website with a SEO checkup tool and one of the warnings I got was this: Your server appears to allow access from User-agent Libwww-perl. Botnet scripts that automatically ...
1
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2answers
373 views

How is a User Agent passed along from a load balancer?

I have an application that sits behind an F5 load balancer. The application needs to be aware of the User Agent and IP address of the inital request. For example: User Agent: Mozilla/5.0 ...
1
vote
1answer
1k views

Serve different files for specific user agents using nginx

Using nginx, how do you serve different static files for different user agents? For example, if the current user is using an iPhone, they should be served mobile_index.html, whereas all other user ...
1
vote
1answer
240 views

What is a SIP B2BUA, and how is it different from a UA?

I've been reading some stuff SIP related, and I'm confused, about what is a SIP back-to-back user agent(B2BUA) and a 'normal' user agent? Can anyone explain the differences? From what I read I ...
2
votes
2answers
4k views

check several user agent in nginx

I need to redirect the traffic to one backend or another according to the user-agent. Is that the right thing to do ? server { listen 80; server_name my_domain.com; if ...
1
vote
2answers
1k views

Search Engine Bot - Large amount of hits

I've started tracking user-agent strings on a website at the start of each session. Looking at the data for this month so far I'm seeing on search engine bot that keeps coming up a lot.. Mozilla/5.0 ...
2
votes
2answers
2k views

Blocking by user-agent string in httpd.conf not effective

I'd like to block some spiders and bad bots by user-agent text string for all of my virtual hosts via httpd.conf but have yet to find success. Below are the contents of my http.conf file. Any ideas ...
3
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2answers
526 views

The Java/1.4.1_04 user agent clashes (404) with some jQuery / Javascript

Since I put up a new javascript file on my server a few days ago I've been getting strange 404's logs. It seems that some Java user-agent clashes with some part of the jQuery (1.6.2). I send an ...
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2answers
408 views

User agent blacklist recommended

Perishable Press publishes a managed user agent blacklist frequently, which blocks bad bots which htaccess directives. Article to be found here: ...
0
votes
1answer
363 views

Help With Adding Mobile User Agent Exceptions To Varnish-Cache

This is the code I've added to the vcl file, so that it caches content for desktop users and mobile users separately: if (req.http.User-Agent ~ ...
1
vote
2answers
70 views

Access log Explanation

I am some what new to access_log and just started monitoring it for one of my new sites. The questions I have, is when viewing via -f tail, this is the average output: 000.000.000.000 - - ...
2
votes
1answer
143 views

Contional declaration in Apache httpd

We want to be able to set Cache-Control headers based on User-Agent in Apache For example, if a User-Agent contains substring foo we want to set Cache-Control to 10 minutes. But if not set it to 1 ...
2
votes
0answers
205 views

Vanilla .Net 4.0 website cannot identify some AppleWebKit based browsers

We are seeing some Safari browsers failing to cross-authenticate our website after we upgrade to .net 4.0 from .net 3.5. After much investigation, it turns out to be a problem with ASP.Net ...
2
votes
2answers
5k views

Blocking apache access via user agent string

I've got a scripter who is using a proxy to attack a website I'm serving. I've noticed that they tend to access the site via software with a certain common user agent string (i.e. ...
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2answers
849 views

Analyse a set of User-Agent strings

I have a list of User-Agent strings and timestamp. I also have a unique identifier for the user. What is the best tool for analyzing this type of data?
2
votes
1answer
268 views

Using .htaccess to exclude all user-agents for private site

In regards to a website that you want to keep private, in a situation where you can't restrict/allow to ip's for your users and password protection cannot be implemented. But you can have your users ...
0
votes
2answers
329 views

What is a Looking Glass server?

I keep getting requests in my Apache logs from a bot with the user agent AppEngine-Google; (+http://code.google.com/appengine; appid: lookingglass-server) I understand that this is a looking glass ...
0
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1answer
393 views

Extracting Browser from user agent in SQL

I have a database of user agents that I need extract all of the unique browsers from in SQL. The field is like... Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.8) Gecko/20100722 ...
1
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1answer
333 views

Browser user agent string with all 0s

I've had 2 mac users hit my site today, and both their browser user agents were: Mozilla/5.0 (000000000; 0; 00000 000 00 0 000000; 00000) DDDDDDDDDDDDDDDDDDDD DDDDDDD DDDD DDDDDD DDDDDDDDDDDDD ...