Ethical Hacking Learn to find vulnerabilities before the bad guys do! Gain real world hands on hacking experience in our state of the art hacking lab. Course designed and taught by expert instructors with years of penetration testing experience. 12 student maximum in every class. Certification attempt included in every package. | Computer Forensics Training at InfoSec Institute Gain the in-demand skills of a certified computer examiner, learn to recover trace data left behind by fraud, theft, and cybercrime perpetrators. Discover the source of computer crime and abuse at your organization so that it never happens again. All of our class sizes are guaranteed to be 12 students or less to facilitate one-on-one interaction with one of our expert instructors. |

| Subject: | Netcat through Squid HTTP Proxy |
|---|---|
| Date: | Fri, 15 Apr 2005 10:40:31 -0400 |
Hello, I have a squid proxy server running, caching and filtering web access. User workstations on my network are only allowed http access through this proxy server. The firewall (Cisco PIX) will not let them connect outbound to any ports. I've done some testing and was successful in running netcat to connect to a remote server listening with netcat on port 80 and get a command prompt for an internal machine (which is allowed to connect to any outgoing ports) on that remote server. I'm wondering if it's possible for netcat to connect through our proxy server to a remote machine and send a cmd.exe shell in the same way? Any tips on preventing this or any other information you care to share is appreciated. Thanks! Rod
| <Prev in Thread] | Current Thread | [Next in Thread> |
|---|---|---|
| ||
| Previous by Date: | Re: Any way to automatically change arbitrary headers of IP packets on-the-fly?, João Paulo Caldas Campello |
|---|---|
| Next by Date: | Re: Any way to automatically change arbitrary headers of IP packets on-the-fly?, João Paulo Caldas Campello |
| Previous by Thread: | Mail Server problem / query, Marc Davison |
| Next by Thread: | Re: Netcat through Squid HTTP Proxy, Joachim Schipper |
| Indexes: | [Date] [Thread] [Top] [All Lists] |