NetInfo Daemon Detection

A 'NetInfo' daemon is running on this port. NetInfo is in charge of maintaining databases or 'maps' regarding the system. Such databases include the list of users, the password file, and more. If the remote host is not a NetInfo server, this service should not be reachable directly from the...

apcnisd / apcupsd Detection

The remote service is a daemon to monitor and manage an APC UPS battery backup unit. %NASLMINLEVEL 70300 C Tenable Network Security, Inc. include'deprecatednasllevel.inc'; include"compat.inc"; ifdescription scriptid11483; scriptversion"1.18"; scriptsetattributeattribute:"pluginmodificationdate",...

CVE-2002-0514: Observable Discrepancy

PF in OpenBSD 3.0 with the return-rst rule sets the TTL to 128 in the RST packet, which allows remote attackers to determine if a port is being filtered because the TTL is different than the default TTL...

VisualRoute Web Server Detection

VisualRoute is a web-based solution which allows unauthenticated users to perform traceroutes against arbitrary hosts on the Internet. C Tenable Network Security, Inc. include"compat.inc"; ifdescription scriptid10744; scriptversion "1.22"; name"english" = "VisualRoute Web Server Detection";...

MySQL Server Detection

The remote host is running MySQL, an open source database server. C Tenable Network Security, Inc. include"compat.inc"; if description scriptid10719; scriptversion"1.46"; scriptsetattributeattribute:"pluginmodificationdate", value:"2026/08/06"; scriptxrefname:"IAVT", value:"0001-T-0802";...

Squid Web Proxy 2.3 - Reverse Proxy

source: https://www.securityfocus.com/bid/3062/info Squid is a free client-side web proxy that retrieves cached web pages for quick browsers and a reduction in bandwidth consumption. Squid servers, when configured as an "HTTP accelerator only", may allow remote attackers to use them as port...

Apple Filing Protocol Server Detection

The remote service understands the Apple Filing Protocol AFP and responds to a 'FPGetSrvrInfo' 'DSIGetStatus' request with information about itself. AFP is used to offer file services for Mac OS X as well as the older Mac OS. In the past, it has also been known as 'AppleTalk Filing Protocol' and...

SMTP Server Detection

The remote host is running a mail SMTP server on this port. Since SMTP servers are the targets of spammers, it is recommended you disable it if you do not use it. C Tenable Network Security, Inc. include"compat.inc"; ifdescription scriptid10263; scriptversion "1.57";...

NNTP Server Detection

The remote host is running a news server NNTP. Make sure that hosting such a server is authorized by your company policy. C Tenable Network Security, Inc. include"compat.inc"; ifdescription scriptid10159; scriptversion "1.24"; scriptcvsdate"Date: 2019/11/22"; name"english" = "NNTP Server...

FTP Server Detection

It is possible to obtain the banner of the remote FTP server by connecting to a remote port. C Tenable Network Security, Inc. include"compat.inc"; if description scriptid10092; scriptversion"1.57"; scriptsetattributeattribute:"pluginmodificationdate", value:"2023/08/17";...

POP Server Detection

The remote host is running a server that understands the Post Office Protocol POP, used by email clients to retrieve messages from a server, possibly across a network link. C Tenable Network Security, Inc. include"compat.inc"; ifdescription scriptid10185; scriptversion "1.25"; scriptcvsdate"Date:...