Questions tagged [trace]

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25
votes
2answers
24k views

Setting Trace Flags “Permanently” in SQL Server?

We need to use SQL Server Trace Flag 7646 to help mitigate some full text blocking, but I was dismayed to find that the trace flag "unset" itself, probably when the database server was ...
24
votes
7answers
80k views

traceroute TCP equivalent for Windows [closed]

I'm trying to determine where connectivity to an external host using a specific TCP port is being blocked. Traceroute for Windows only uses ICMP, and telnet will only tell me that the port is blocked ...
17
votes
2answers
51k views

What is stored in %Windir%\System32\LogFiles\WMI\RtBackup?

I occasionally notice in Resource Monitor hard disk activity related to ETL files in the folder C:\Windows\System32\LogFiles\WMI\RtBackup. Which process/service creates these ETL files and what is ...
16
votes
2answers
8k views

What's difference between monitoring, tracing and profiling?

I have seen these three words showing up a lot, but don't understand the exact differences between them. For example, collecting CPU utilisation is often called profiling and can also fall into ...
13
votes
10answers
78k views

Identify machines connected to switch

Our company recently closed down half our office space, which was not being used. We gave back the unused space to the building management and had it walled off. Prior to us closing it off, I jotted ...
13
votes
3answers
87k views

How do you trace/debug LDAP connections against Active Directory?

I am spoiled, and have been doing most of my LDAP work with eDirectory, which has a utility called DSTrace which is lovely, and for LDAP specifically, will show you all the bind attempts, the source ...
11
votes
4answers
20k views

How can I audit a file to see who deleted it?

On one of our servers we have a file that keeps mysteriously getting deleted. What I'd like to do is have a program watch this file and let me know when/how/by whom it gets deleted. We have a backup ...
11
votes
1answer
473 views

how to do I/O sniffing

For sizing purposes I need to understand what requirements an application has to the I/O subsystem. I would love to do what I call I/O sniffing and obtain a list of events from the block layer like ...
9
votes
2answers
16k views

How to trace Apache 301 Moved Permanently?

I have one virtual host on my machine, which I am accessing localy. I am running apache2 under windows 7. When accessing this host, I see in Fiddler, that server redirects browser to different remote ...
8
votes
6answers
29k views

Is it possible to match an internal IP address to a switch port?

I'm trying to find a computer that has a certain IP address on our internal network. I have identified the computer name from DNS, but in this case it does not help me. Just wondering if I can ...
6
votes
1answer
2k views

Tracing chain of NTP servers

For educational purposes I wanted to trace a chain of NTP servers, e.g. 0.de.pool.ntp.org back to a stratum 1 NTP server. How can I do this? I found ntptrace, but it doesn't work: /home/xyzdragon# ...
5
votes
2answers
8k views

How can I find the answering DNS server?

Is there a way I can trace a DNS request to see where the answer is coming from? Our network has internal DNS servers that provide internal IP address resolution, and we use EasyDNS to host our ...
5
votes
3answers
21k views

Deletion of SQL Profiler Trace files (.trc)

We've noticed a lot of .trc files in our SQL data folder (\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\Data) on our server. The date range for these files spans over one day and the total file ...
4
votes
6answers
866 views

IP Address Trace

If you wanted to trace an IP address because that IP Address was the source of attacks and abuse, how would you accomplish this? Is there anything one can do to find who is using a given IP address ...
4
votes
4answers
7k views

How to diagnose a hang when creating a new folder in explorer.exe

I have been having some issues with explorer.exe hanging when I create a new folder. If I use Analyse Wait Chain in the Resource Monitor it says "One or more threads of explorer.exe are waiting to ...
4
votes
3answers
258 views

What tool can be used to splice together log files from different sources?

I am trying to analyze a series of application requests. There are web logs, application server logs and data server logs, all with slightly different timestamps on each line. I'd like to splice ...
4
votes
3answers
590 views

Decommissioning: how to list clients/applications depending on my SQL Server?

I have a SQL box that I want to decommission. Before doing so, I want to understand all the applications that may be relying on the machine, rather than just turning it off and hearing people scream. ...
3
votes
6answers
2k views

Is the sender's IP address shown in the transport header on messages sent through Gmail?

If someone sends an email from a gmail account, is it possible for me to trace the emailers IP address or does Google hide it?
3
votes
2answers
716 views

Help analyzing traceroute

my name is Abdulla and I'm from Kuwait. Sorry for my question as I know its not technically challenging. I'm facing some problems with my internet connection. My company has a DSL 2mb connection. My ...
3
votes
1answer
3k views

How to properly interpet the results of tracert, in particular the second to last hop before a timeout

I am troubleshooting a wireless internet connection that is continuously dropping. The isp says the radio signal is good so it must by my cisco asa 5505. I don't believe them... For discussion ...
3
votes
1answer
643 views

What is the URL_CHANGED Event on IIS7 Request Tracing Log?

I just enabled Failed Request Tracing for a site and I get a URL_CHANGED event as the third item on the log. 1. GENERAL_REQUEST_START SiteId="1", AppPoolId="DefaultAppPool", ConnId="1610613013", ...
2
votes
1answer
2k views

See full HTTP traffic in Tomcat logs

For debugging purposes, I need a way to see all HTTP traffic between our Tomcat installation and the test clients. How can I configure Tomcat to trace all HTTP traffic (and not just the headers)? We ...
2
votes
2answers
3k views

Tracking IP through a socks5 proxy + RDP?

We were having some issues at work until we found that we are being attacked almost every day. The attacker seems pretty smart - at first he was always using proxy to hide his IP. With scanning I ...
2
votes
1answer
1k views

How can I enable WinHTTP trace logging in Server 2012 R2 for viewing raw HTTP commands and application details?

I have an application running on a Windows Server 2012 R2 system and the app leverages winHTTP for various network requests. It's not able to communicate with another server on the network and I ...
2
votes
3answers
5k views

IIS ASP.Net Website - ManagedPipelineHandler

I am experiencing a strange issue. I have an ASP.Net web application that users Form Authentication. If I open the log-in page and there is a couple of minutes of inactivity, the log-in attempt times ...
2
votes
2answers
950 views

Add a fake hop in tracert?

A client wants to add a fake hop when someone does a traceroute on his IP address. He has two ip addresses, and one interface (no problem, virtual interfaces solve it). How should I proceed? Is this ...
2
votes
1answer
1k views

WireShark - wireshark trace traffic from my local browser to a local .net application I have with a HttpListener? (e.g. local to local)

Can wireshark trace traffic from my local browser to a local .net application I have with a HttpListener? (e.g. local to local) I can't seem to detect this traffic at the moment with wireshark. Is ...
1
vote
2answers
8k views

different between tracert(windows) and traceroute(linux)

I'm tracing some server between tracert(Windows) and traceroute(linux) in the same network. But the output is different. tracert can trace the target server. But traceroute can't. The traceroute ...
1
vote
4answers
2k views

What can be found out by person's IP/host address?

I just discovered that my supposedly anonymous e-mail isn't so anonymous after all. My IP and host name is sent with the headers. This information exposed, what can be found out?
1
vote
3answers
2k views

How Does TCP Trace work on Windows

How does a TCP Trace work?
1
vote
1answer
268 views

Using ftrace to spy on files being created?

We are in this scenario: https://stackoverflow.com/questions/7304826/how-to-debug-a-multithreaded-hung-process-in-linux When we try to look at a rogue process (which is consuming 100% CPU) then it's ...
1
vote
1answer
532 views

Trace MySQL processes

I am running a typical LAMP stack with Fedora: how do I find out which PHP script launched the queries which are shown when I run SHOW PROCESSLIST in MySQL? I've read this article, but unfortunately ...
1
vote
1answer
223 views

How do I Interpret a Failed Request Trace?

I have a problem with a web site running IIS 7. The problem are the initial requests to each page: they take far longer than they should. After that first request the page loads fine. I'm sure the ...
1
vote
1answer
651 views

IIS 7.5 deployment's issue - WebApp won't load

Recently, I've been working on a new WebApplication (c# asp.net MVC 4 with VS 2013) and now is time to deploy it on my company's server (WS 2008 R2 SP1). The project is working fine under Visual ...
1
vote
1answer
3k views

ARR troubleshooting 502.3 / WinHttp tracing on Server 2012

I have the following scenario: 3 windows server 2012 virtual servers, all with IIS 8: 1 server with Application Request Routing 3 2 servers with the web applications that the ARR server routes to I ...
1
vote
1answer
1k views

Ubuntu kernel trace - troubleshooting “task hung for 120 secs” random crashes

I was finally able to get a trace from a 'task hung for 120 seconds' error. Our servers would just randomly crash on load spikes. IO wait times seem normal. Memory/Swap is fine. These are Xen based ...
1
vote
1answer
1k views

How to run truss with piped command in Solaris

How to run a truss command with piped output? eg. # truss -leDo /tmp/truss.out tar cvf - dirs/ | gzip -1 > archive.tar.gz I get only the "tar" output in truss, not from gzip!
1
vote
1answer
341 views

Why do my IIS6 requests freeze for a long time in the HTTPSYS_CACHEABLE stage?

One of my applications was experiencing intermittent delays in a specific part of the system. Users would click the "Save" button, and sometimes it would take an extra 30 seconds to respond. I turned ...
1
vote
2answers
3k views

How should I capture Linux kernel panic stack traces?

What's current best practice to capture full kernel stack traces on a Linux system (RHEL 5.x, kernel 2.6.18) that occasionally panics in a device driver? I'm used to the "old" SunOS way of doing ...
1
vote
1answer
2k views

Security implications of granting ALTER TRACE

Are there any server-level security concerns I might be missing with granting a login ALTER TRACE on a SQL 2005 instance? I don't care that the login can see anything that's happening on the server ...
1
vote
1answer
813 views

How can I consume IIS7's FREB programatically

[I'm replicating a question I put on Stack Overflow a while ago and received no answer - figuring that it's more up Server Fault's alley (SF didn't exist yet when I first posted this)] IIS 7 has a ...
1
vote
0answers
27 views

How to detect an executable/file calling out a domain

I'm trying to trace an application/file that is calling out a domain(URL). I ran Process Monitor & Wireshark to find SVCHost.exe is responsible. However, I'm unable to locate which file ...
1
vote
0answers
491 views

IIS 8.5 Request Filtering by VERB not working

To disable TRACE/TRACK requests from IIS(Windows 2012 R2), I used the instructions from this tutorial : Verbs <verbs> | Microsoft Docs. I configured to deny OPTIONS, TRACE and TRACK requests. ...
1
vote
0answers
233 views

IIS httpTracing setting has no effect

I'm trying to troubleshoot some performance issues we are having on a specific ASP.NET page with Microsoft's Perfecto Tool on IIS 7.5. Perfecto uses the ETW hooks build in to IIS to report on specific ...
1
vote
0answers
64 views

Equivalent of SQL Server trace for Oracle 10g?

I've got a bad code duplication problem where we cannot tell which versions of packages/procedures are being used. i.e. I have different packages with procedures of the same name and I need to be ...
1
vote
2answers
331 views

SQL Profiler Trace logs

Suppose that I try to insert some data into a table and if the insertion fails due to some CDBException, will that be logged in to the SQL Profiler logs? I am using SQL Server MSDE 2000
0
votes
2answers
1k views

how to see queries to oracle database

the database in question is Oracle 10g Enterprise software the tools available are Toad, SQL Developer, and other built in oracle tools I have an application server within the network, alongside the ...
0
votes
2answers
8k views

How to disable TRACE/TRACK in IIS 7.5

From this article : Disable Trace/Track in IIS | Techstacks HOWTO's, I came to know that you need to install UrlScan Filter to disable TRACE/TRACK requests on IIS 7.5. However, I had trouble ...
0
votes
3answers
1k views

How do I trace from my client PC what databases it connects to

I wonder if there is some way to trace what servers my program using OLEDB tries to connect to. Problem: I have a program displaying some reports made in Crystal Reports. The loading of some reports ...
0
votes
3answers
663 views

Any good IIS Tracer?

I'm trying to find an IIS Tracer to be able to look at all requests on my ASP.NET application. I found the IISTracer tool which looks great. The problem is that my server is running with an AMD64 ...