Specific to logging of alerts, activities and actions. This also covers user's history managed by software such as browsers.

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2
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2answers
2k views

Safe user/group for rsyslog to read application log?

I have an application which writes a logfile in /var/app/applog.log. This application has to be launched as root, but runs as app:app and can also be demoted to nobody:nobody What exactly is nobody:...
2
votes
2answers
247 views

What may a Hungarian employer do with the employee monitoring logs?

Employers often monitor employee network access, even install keyloggers on their computers, etc. But the articles I found on the internet, is about the monitoring but not what they may do with the ...
2
votes
2answers
144 views

staying not signed in: is it the safest procedure?

each time I do connect to a private or public network I log into websites by keeping the option "stay signed in" or "keep me signed in" unselected, so I have to re-type my username and passwod as ...
2
votes
1answer
229 views

How secure/private is the browsing history on browsers?

I've been using Aviator secure browser for a while which insists that you run private mode by default (cookies and history wiped after every session), which makes me wonder how secure the history is ...
2
votes
2answers
265 views

Transparent way to send logs from honeypot to logging server

Does anyone know of a secure and transparent method of sending logs from a honeypot server on a DMZ to a logging server in a private network?. The logs must be encrypted and sent in such a way that a ...
2
votes
4answers
275 views

Why should I log successful log-ins to my server?

I was arguing with a friend about logs in user logins. I think that logs means a big audit source for IT audit professionals. Why should I log successful log-ins to my server? It's so important log ...
2
votes
2answers
2k views

Sending Syslog/SNMP information over the internet using standard UDP port 514

I'm looking into monitoring a Windows VPS by sending Syslog messages to a Synology NAS, which can generate email alerts and such. I also would like to use SNMP to generate health stats, and see trends ...
2
votes
2answers
761 views

Security issues with an append-only log in UNIX

I'm going over past exam papers for a security module I'm taking at university and there is a question which I can't give a great answer for. As a security manager in a bank you are asked to ...
2
votes
1answer
103 views

For PCI compliance, does every request need to be logged regardless of how it affects system performance?

Our cloud based service is currently undergoing changes with a view towards PCI compliance. It is a high throughput service, and there are concerns that enabling the right amount of logging on our ...
2
votes
4answers
760 views

Can ISPs log IP connections?

I know most, if not all, ISPs log the IPs you had tied to your network, but do ISPs keep logs of the IPs you have tried to connect to? For example, let's say I went to google.com, would the ISP be ...
2
votes
2answers
10k views

What details does my iPhone reveal about the user (if any) when I connect to a wifi network?

I accidentally used my work's wifi to look at porn using my iPhone. I refreshed a tab I had open from a session when I wasn't at work. Now I'm worried my firm will find out. The network is ...
2
votes
1answer
46 views
+50

What is the definition for different access attributes in object access auditing?

Though there is documentation available about configuring Object Access auditing, there is no place where I have found any documents explaining the different attributes in Object Access Auditing. Can ...
2
votes
2answers
1k views

What can my ISP see in their log files if I use Google DNS?

For example, if I use my ISP DNS and open this page they will see: http://security.stackexchange.com/questions/ask It would show up in their logs for sure. But if I use Google DNS, then what ...
2
votes
2answers
469 views

Writing errors to Apache's log file from PHP - are there any pitfalls?

I'm updating an application to write slightly more verbose errors to the system log file (in this case, /var/log/apache2/mysite_error_log). I hope that I'm not asking the proverbial stupid question -...
2
votes
2answers
669 views

Log information for SIEM auditing in Linux

How can I know what all types of events generated by Linux. I can get this from the logs, but reading logs and noting ID's is very time consuming. All events might not be triggered. I need this ...
2
votes
2answers
296 views

Get the browser history without using a browser

I would like to get the browsing history of a computer in my network (without running that web browser), is it possible?
2
votes
1answer
105 views

Should users share OSX crash logs?

OSX stores app crash logs into ~/Library/Logs/DiagnosticLogs/appname_date.crash and optionally submits these anonymously back to Apple. These contain a fair amount of debug info for the developer, ...
2
votes
1answer
738 views

Silent (no user interaction) utility to clear cached credentials on Windows [closed]

Is there any way to clear cached credentials on Windows, that doesn't require: user interaction (e.g. a confirmation window); administrator access; or making a persistent change to the configuration,...
2
votes
1answer
994 views

Analyzing wireshark results (openvpn)

I signed up to Mullvad for VPN service, and manually run OpenVPN from my Linux box. I rebooted my computer and make sure not to start any OpenVPN service. Yet when I did a Wireshark analysis I am ...
2
votes
3answers
127 views

What does my iPhone see/track when connected to my macbook PC?

Recently hooked up my work iPhone to my personal MacBook to charge the phone. I viewed some websites that would be questionable on the MacBook using the hotel WiFi. What does the iPhone track when ...
2
votes
1answer
2k views

Visitors logs show \x80w\x01\x03\x01 the HNAP1

Can anyone tell me what this means? I'm on Bluehost with a shared server. [ip]71.63.199.72 [url]HNAP1 [size] 134 [status] 401 [method]GET [protocol] HTTP/1.1 [referring url] My server address [ip]71....
2
votes
1answer
405 views

Possible to detect and log CORS and preflight requests in IIS?

I'd like to track and understand if CORS/cross site requests are hitting my website, and if they are succeeding or failing. My goal is to understand if clients are following our documentation ...
2
votes
1answer
3k views

Snort & Logging

I am looking for some support on using Snort in Windows 7. My experience so far is using WireShark, so this is new territory to me. I would like to use Snort to perform a trace, which, after it ends,...
2
votes
2answers
2k views

Logging and Metrics for DEP, EMET, and Related Mitigations

Is it possible to collect metrics or generate alerts when one of EMET's suite of mitigations prevents code execution? Ideally I'd want to be able to collect and analyze data to support statements like,...
2
votes
0answers
84 views

Personally identifiable information in query parameter for Tomcat REST service

I have a REST API running in a Tomcat container that has an endpoint that takes a customer email address as a query parameter. It's something like this: /customers?email=foo@bar.com Customer email ...
2
votes
1answer
548 views

PowerShell's Module logging, a few questions

I'm looking for some more information concerning the white paper which goes into some detail over PowerShell's Module logging. Specifically, once this is enabled, are the default cmdlets logged? For ...
2
votes
1answer
226 views

Strange logs in apache from bing/facebook

I am used to finding some random probing from script bots in my apache log files, but today I found some strange entries: 65.55.24.247 - - [25/Apr/2014:01:52:36 +0000] "GET /calendar/caldetail/id/281/...
2
votes
3answers
184 views

Are my credentials unsafe if I am already logged-in before connecting to a public network?

Let's say I am already logged-in to my Gmail or Yahoo account using my 3G then I switched to a public WIFI in an airport or cafe. Is my username and password still vulnerable? What others kinds of ...
2
votes
2answers
313 views

Hide logging server from DMZ

I have a server on my DMZ whichs relays syslog and OcsInventory messages to a server on a vlan for logging servers. In order to allow the packets to go through I must allow port 80 (OcsInventory) and ...
1
vote
1answer
1k views

strange web server log activity

I've noticed some suspicious activity in my webser logs: 188.165.66.110 - - [20/Feb/2015:03:58:28 +0000] "GET /?x=()?x=()?x=()?x=() {:; }; echo Content-type:text/plain;echo;echo;echo M`expr 1330 + 7`...
1
vote
2answers
3k views

Find the hack in the Apache2 logs?

The hack was a failure, as they were not able to put the created page as the home page. But we found recently a manipulated page on our website (via the rss). So I looked in the Apache2 logs and ...
1
vote
1answer
744 views

Wireshark log analyzing

I have the following Wireshark log and I want to categorize the attack. I think it prints the user under apache runs and then prints the system information. From this log can we determine if the ...
1
vote
2answers
42 views

Undeletable logging or file-writing

I want to log or write files automatically to a un-deletable storage device. Even if the attacker had offline access to the storage device he/she shouldn't be able to delete the files or logs. If ...
1
vote
3answers
13k views

How to trace malicious hackers?

What are some of the ways law enforcement agencies can trace a hacking attempt back to the hacker? IP and MAC addresses can be spoofed easily, hackers can easily hide their tracks using compromised ...
1
vote
1answer
140 views

how to prevent scripts being injected on my website [closed]

I have an API server on Digitalocean. Yesterday they told me I have "a large flood of traffic from one or more of your servers that is disrupting the normal traffic flow for other users." I checked ...
1
vote
2answers
317 views

Validating security log configuration (rsyslog and syslog-ng) for PCI DSS 10.5

I work for a Level 1 merchant with annual onsite QSA audits, so this is a huge deal. PCI DSS 10.5 requires the entity under test to "Secure audit trails so they cannot be altered". In our Unix and ...
1
vote
2answers
852 views

Best practices when classifying log messages severity in an SIEM

When deploying an SIEM solution, what is the best practice when classifying the severity of each event that is being sent from individual devices? I understand that this may be a little bit ...
1
vote
3answers
7k views

Facebook login on HTTP? [duplicate]

Possible Duplicate: Is the Facebook login form using SSL without https in the URL? If you access http://www.facebook.com/, in the top right side there is the login section. You can enter your ...
1
vote
1answer
36 views

VPN / VPS and IP logs

Here's the situation: 1) I rent a VPS at a hoster and install VPN on it. 2) Completely disable all logs. Those logs that can not be disabled - permanently delete. 3) I connect to my VPS via VPN (...
1
vote
1answer
42 views

Is it possible to log all file reads performed by an application in Windows 7?

I have a piece of software I'm supposed to be running on my computer. The only thing I'm slightly worried about is the files it reads, as it's closed-source and slightly fishy. I know it's not ...
1
vote
1answer
41 views

Computers connecting to suspicious websites via squid proxy

I am running a squid proxy server on my network which my computers connect through to access the internet. I have noticed several odd entries in the squid access.log file around the same time everyday,...
1
vote
2answers
116 views

Security reasons for kicking user when logged in from two places

When account A has logged into computer A, and then account A starts to log in to computer B, account A in computer A will automatically be logged out. May I know what are the possible reasons in why ...
1
vote
1answer
134 views

What browsing history exactly would police have under proposed UK law change? Plain english

It's very unclear what '12 months' browsing history being kept by network provider' actually means to an uninformed person. Thunderbird? VPN? Startpage searches? Bit-torrent downloads? Epic browser (...
1
vote
2answers
83 views

Books about theoretical basis in log management [closed]

I'm looking for a books about theoretical basis in log management, not about tools. I need it to write my master's thesis. I need books about: log sources, log collection storage techniques, ...
1
vote
2answers
72 views

Methods to keep an autonomous log with high integrity

I'm writing a .NET desktop application that is used to send orders to a server via a REST API. To avoid leaking of our authentication token I have made it so that, when used for the first time, the ...
1
vote
2answers
57 views

Should application logs be available to admins or just superuser?

I'm developing a kind of standard web-application, to be hosted internally on few customer's servers (not a public service, startup or anything like that). A kind of CMS, e-learning platform or ...
1
vote
2answers
88 views

Does it make sense to log accepted traffic on firewall?

Assuming a firewall is properly setup, only allowing determined traffic and dropping everything else, what relevant information (if any) could I get from the log of the accepted rules? From the ...
1
vote
2answers
17k views

For how long ISPs keep record of Internet usage? [closed]

For how long ISPs keep record of Internet usage? Do they keep record of every page we visit? In what form do they keep such records (remote IP, URL, page title, headers, etc.)? Is it possible for an ...
1
vote
2answers
224 views

How to avoid log4j output external modification

I had a request to find a solution for making a log file secure from editing from the user (not root user) running the JBoss instance of an application (Linux environment) First idea I had is to use ...
1
vote
1answer
293 views

What info to log/store about a user login?

Currently I am saving LastLoginAt, LastActionAt, LastLogoutAt, and LastLoginFromIPAddress. I am not so sure about the value of logging/saving details of logouts and IP addresses, as I am not sure of ...