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TCP 9091

Looking for information on Protocol TCP 9091? This page will attempt to provide you with as much port information as possible on TCP Port 9091.

TCP Port 9091 may use a defined protocol to communicate depending on the application. A protocol is a set of formalized rules that explains how data is communicated over a network. Think of it as the language spoken between computers to help them communicate more efficiently.

Protocol HTTP for example defines the format for communication between internet browsers and web sites. Another example is the IMAP protocol that defines the communication between IMAP email servers and clients or finally, the SSL protocol which states the format to use for encrypted communications.

TCP Port 9091

Here is what we know about protocol TCP Port 9091. If you have information on TCP port 9091 that is not reflected on this page, simply leave a comment and we’ll update our information.

PORT 9091 – Information

  • Port Number: 9091
  • TCP / UDP: TCP
  • Delivery: Yes
  • Protocol / Name: CiscoSecure
  • Port Description: CiscoSecure. Web server frontend for CiscoSecure.
  • Virus / Trojan: No

    Tip! Use our free Digital Footprint and Firewall Test to help verify you are not infected.

Side note: TCP port 9091 uses the Transmission Control Protocol. TCP is one of the main protocols in TCP/IP networks. Whereas the IP protocol deals only with packets, TCP enables two hosts to establish a connection and exchange streams of data. TCP guarantees delivery of data and also guarantees that packets will be delivered on port 9091 in the same order in which they were sent. Guaranteed communication over port 9091 is the key difference between TCP and UDP. UDP port 9091 would not have guaranteed communication in the same way as TCP.

Because protocol TCP port 9091 was flagged as a virus (colored red) does not mean that a virus is using port 9091, but that a Trojan or Virus has used this port in the past to communicate.

TCP 9091 – Disclaimer

We do our best to provide you with accurate information on PORT 9091 and work hard to keep our database up to date. This is a free service and accuracy is not guaranteed. We do our best to correct any errors and welcome feedback!

Reader Interactions

Comments

  1. Vasastan says:

    9091 is also the default port for the Vuze (Azureus) web remote service.

  2. Newonet says:

    I have port 9091 and 45100 open. I did a sudo su to user “logic” and it dropped me to a root prompt. I cant find the home dir (hacker probably hid it) Can you guys take a look at my rootkit scan and tell me what you think? You can always e-mail me when you get around to this. I understand you have other pressing matters. Thank you, a concerned ubuntu linux user. Jason Owen Here is the scan…..

    [ Rootkit Hunter version 1.3.6 ]

    Checking system commands…

    Performing ‘strings’ command checks
    Checking ‘strings’ command [ OK ]

    Performing ‘shared libraries’ checks
    Checking for preloading variables [ None found ]
    Checking for preloaded libraries [ None found ]
    Checking LD_LIBRARY_PATH variable [ Not found ]

    Performing file properties checks
    Checking for prerequisites [ Warning ]
    /bin/bash [ OK ]
    /bin/cat [ OK ]
    /bin/chmod [ OK ]
    /bin/chown [ OK ]
    /bin/cp [ OK ]
    /bin/date [ OK ]
    /bin/df [ OK ]
    /bin/dmesg [ OK ]
    /bin/echo [ OK ]
    /bin/ed [ OK ]
    /bin/egrep [ OK ]
    /bin/fgrep [ OK ]
    /bin/fuser [ OK ]
    /bin/grep [ OK ]
    /bin/ip [ OK ]
    /bin/kill [ OK ]
    /bin/less [ OK ]
    /bin/login [ OK ]
    /bin/ls [ OK ]
    /bin/lsmod [ OK ]
    /bin/mktemp [ OK ]
    /bin/more [ OK ]
    /bin/mount [ OK ]
    /bin/mv [ OK ]
    /bin/netstat [ Warning ]
    /bin/ps [ OK ]
    /bin/pwd [ OK ]
    /bin/readlink [ OK ]
    /bin/sed [ OK ]
    /bin/sh [ OK ]
    /bin/su [ OK ]
    /bin/touch [ OK ]
    /bin/uname [ OK ]
    /bin/which [ Warning ]
    /bin/dash [ OK ]
    /usr/bin/awk [ OK ]
    /usr/bin/basename [ OK ]
    /usr/bin/chattr [ OK ]
    /usr/bin/cut [ OK ]
    /usr/bin/diff [ OK ]
    /usr/bin/dirname [ OK ]
    /usr/bin/dpkg [ OK ]
    /usr/bin/dpkg-query [ OK ]
    /usr/bin/du [ OK ]
    /usr/bin/env [ OK ]
    /usr/bin/file [ OK ]
    /usr/bin/find [ OK ]
    /usr/bin/GET [ OK ]
    /usr/bin/groups [ OK ]
    /usr/bin/head [ OK ]
    /usr/bin/id [ OK ]
    /usr/bin/killall [ OK ]
    /usr/bin/last [ OK ]
    /usr/bin/lastlog [ OK ]
    /usr/bin/ldd [ Warning ]
    /usr/bin/less [ OK ]
    /usr/bin/locate [ OK ]
    /usr/bin/logger [ OK ]
    /usr/bin/lsattr [ OK ]
    /usr/bin/lsof [ OK ]
    /usr/bin/lynx [ OK ]
    /usr/bin/mail [ OK ]
    /usr/bin/md5sum [ OK ]
    /usr/bin/mlocate [ OK ]
    /usr/bin/newgrp [ OK ]
    /usr/bin/passwd [ OK ]
    /usr/bin/perl [ OK ]
    /usr/bin/pgrep [ OK ]
    /usr/bin/pstree [ OK ]
    /usr/bin/runcon [ OK ]
    /usr/bin/sha1sum [ OK ]
    /usr/bin/sha224sum [ OK ]
    /usr/bin/sha256sum [ OK ]
    /usr/bin/sha384sum [ OK ]
    /usr/bin/sha512sum [ OK ]
    /usr/bin/size [ OK ]
    /usr/bin/sort [ OK ]
    /usr/bin/stat [ OK ]
    /usr/bin/strace [ OK ]
    /usr/bin/strings [ OK ]
    /usr/bin/sudo [ OK ]
    /usr/bin/tail [ OK ]
    /usr/bin/test [ OK ]
    /usr/bin/top [ OK ]
    /usr/bin/touch [ OK ]
    /usr/bin/tr [ OK ]
    /usr/bin/uniq [ OK ]
    /usr/bin/users [ OK ]
    /usr/bin/vmstat [ OK ]
    /usr/bin/w [ OK ]
    /usr/bin/watch [ OK ]
    /usr/bin/wc [ OK ]
    /usr/bin/wget [ OK ]
    /usr/bin/whatis [ OK ]
    /usr/bin/whereis [ OK ]
    /usr/bin/which [ OK ]
    /usr/bin/who [ OK ]
    /usr/bin/whoami [ OK ]
    /usr/bin/gawk [ OK ]
    /usr/bin/lwp-request [ Warning ]
    /usr/bin/lynx.cur [ OK ]
    /usr/bin/bsd-mailx [ OK ]
    /usr/bin/w.procps [ OK ]
    /sbin/depmod [ OK ]
    /sbin/ifconfig [ OK ]
    /sbin/ifdown [ OK ]
    /sbin/ifup [ OK ]
    /sbin/init [ OK ]
    /sbin/insmod [ OK ]
    /sbin/ip [ OK ]
    /sbin/lsmod [ OK ]
    /sbin/modinfo [ OK ]
    /sbin/modprobe [ OK ]
    /sbin/rmmod [ OK ]
    /sbin/runlevel [ OK ]
    /sbin/sulogin [ OK ]
    /sbin/sysctl [ OK ]
    /usr/sbin/adduser [ Warning ]
    /usr/sbin/chroot [ OK ]
    /usr/sbin/cron [ OK ]
    /usr/sbin/groupadd [ OK ]
    /usr/sbin/groupdel [ OK ]
    /usr/sbin/groupmod [ OK ]
    /usr/sbin/grpck [ OK ]
    /usr/sbin/inetd [ OK ]
    /usr/sbin/lsof [ Warning ]
    /usr/sbin/nologin [ OK ]
    /usr/sbin/pwck [ OK ]
    /usr/sbin/rsyslogd [ OK ]
    /usr/sbin/tcpd [ OK ]
    /usr/sbin/useradd [ OK ]
    /usr/sbin/userdel [ OK ]
    /usr/sbin/usermod [ OK ]
    /usr/sbin/vipw [ OK ]
    /usr/local/bin/rkhunter [ OK ]
    /etc/rkhunter.conf [ OK ]

    [Press to continue]

    Checking for rootkits…

    Performing check of known rootkit files and directories
    55808 Trojan – Variant A [ Not found ]
    ADM Worm [ Not found ]
    AjaKit Rootkit [ Not found ]
    Adore Rootkit [ Not found ]
    aPa Kit [ Not found ]
    Apache Worm [ Not found ]
    Ambient (ark) Rootkit [ Not found ]
    Balaur Rootkit [ Not found ]
    BeastKit Rootkit [ Not found ]
    beX2 Rootkit [ Not found ]
    BOBKit Rootkit [ Not found ]
    cb Rootkit [ Not found ]
    CiNIK Worm (Slapper.B variant) [ Not found ]
    Danny-Boy’s Abuse Kit [ Not found ]
    Devil RootKit [ Not found ]
    Dica-Kit Rootkit [ Not found ]
    Dreams Rootkit [ Not found ]
    Duarawkz Rootkit [ Not found ]
    Enye LKM [ Not found ]
    Flea Linux Rootkit [ Not found ]
    FreeBSD Rootkit [ Not found ]
    Fu Rootkit [ Not found ]
    _uck`it Rootkit [ Not found ]
    GasKit Rootkit [ Not found ]
    Heroin LKM [ Not found ]
    HjC Kit [ Not found ]
    ignoKit Rootkit [ Not found ]
    iLLogiC Rootkit [ Not found ]
    IntoXonia-NG Rootkit [ Not found ]
    Irix Rootkit [ Not found ]
    Kitko Rootkit [ Not found ]
    Knark Rootkit [ Not found ]
    ld-linuxv.so Rootkit [ Not found ]
    Li0n Worm [ Not found ]
    Lockit / LJK2 Rootkit [ Not found ]
    Mood-NT Rootkit [ Not found ]
    MRK Rootkit [ Not found ]
    Ni0 Rootkit [ Not found ]
    Ohhara Rootkit [ Not found ]
    Optic Kit (Tux) Worm [ Not found ]
    Oz Rootkit [ Not found ]
    Phalanx Rootkit [ Not found ]
    Phalanx2 Rootkit [ Not found ]
    Phalanx2 Rootkit (extended tests) [ Not found ]
    Portacelo Rootkit [ Not found ]
    R3dstorm Toolkit [ Not found ]
    RH-Sharpe’s Rootkit [ Not found ]
    RSHA’s Rootkit [ Not found ]
    Scalper Worm [ Not found ]
    Sebek LKM [ Not found ]
    Shutdown Rootkit [ Not found ]
    SHV4 Rootkit [ Not found ]
    SHV5 Rootkit [ Not found ]
    Sin Rootkit [ Not found ]
    Slapper Worm [ Not found ]
    Sneakin Rootkit [ Not found ]
    ‘Spanish’ Rootkit [ Not found ]
    Suckit Rootkit [ Not found ]
    SunOS Rootkit [ Not found ]
    SunOS / NSDAP Rootkit [ Not found ]
    Superkit Rootkit [ Not found ]
    TBD (Telnet BackDoor) [ Not found ]
    TeLeKiT Rootkit [ Not found ]
    T0rn Rootkit [ Not found ]
    trNkit Rootkit [ Not found ]
    Trojanit Kit [ Not found ]
    Tuxtendo Rootkit [ Not found ]
    URK Rootkit [ Not found ]
    Vampire Rootkit [ Not found ]
    VcKit Rootkit [ Not found ]
    Volc Rootkit [ Not found ]
    Xzibit Rootkit [ Not found ]
    X-Org SunOS Rootkit [ Not found ]
    zaRwT.KiT Rootkit [ Not found ]
    ZK Rootkit [ Not found ]

    Performing additional rootkit checks
    Suckit Rookit additional checks [ OK ]
    Checking for possible rootkit files and directories [ None found ]
    Checking for possible rootkit strings [ Warning ]

    Performing malware checks
    Checking running processes for suspicious files [ None found ]
    Checking for login backdoors [ None found ]
    Checking for suspicious directories [ None found ]
    Checking for sniffer log files [ None found ]

    Performing trojan specific checks
    Checking for enabled inetd services [ Warning ]
    Checking for Apache backdoor [ Not found ]

    Performing Linux specific checks
    Checking loaded kernel modules [ OK ]
    Checking kernel module names [ OK ]

    [Press to continue]

    Checking the network…

    Performing check for backdoor ports
    Checking for TCP port 1524 [ Not found ]
    Checking for TCP port 1984 [ Not found ]
    Checking for UDP port 2001 [ Not found ]
    Checking for TCP port 2006 [ Not found ]
    Checking for TCP port 2128 [ Not found ]
    Checking for TCP port 6666 [ Not found ]
    Checking for TCP port 6667 [ Not found ]
    Checking for TCP port 6668 [ Not found ]
    Checking for TCP port 6669 [ Not found ]
    Checking for TCP port 7000 [ Not found ]
    Checking for TCP port 13000 [ Not found ]
    Checking for TCP port 14856 [ Not found ]
    Checking for TCP port 25000 [ Not found ]
    Checking for TCP port 29812 [ Not found ]
    Checking for TCP port 31337 [ Not found ]
    Checking for TCP port 33369 [ Not found ]
    Checking for TCP port 47107 [ Not found ]
    Checking for TCP port 47018 [ Not found ]
    Checking for TCP port 60922 [ Not found ]
    Checking for TCP port 62883 [ Not found ]
    Checking for TCP port 65535 [ Not found ]

    Performing checks on the network interfaces
    Checking for promiscuous interfaces [ None found ]

    [Press to continue]

    Checking the local host…

    Performing system boot checks
    Checking for local host name [ Found ]
    Checking for system startup files [ Found ]
    Checking system startup files for malware [ None found ]

    Performing group and account checks
    Checking for passwd file [ Found ]
    Checking for root equivalent (UID 0) accounts [ Warning ]
    Checking for passwordless accounts [ None found ]
    Checking for passwd file changes [ None found ]
    Checking for group file changes [ None found ]
    Checking root account shell history files [ OK ]

    Performing system configuration file checks
    Checking for SSH configuration file [ Found ]
    Checking if SSH root access is allowed [ Warning ]
    Checking if SSH protocol v1 is allowed [ Not allowed ]
    Checking for running syslog daemon [ Found ]
    Checking for syslog configuration file [ Found ]
    Checking if syslog remote logging is allowed [ Not allowed ]

    Performing filesystem checks
    Checking /dev for suspicious file types [ Warning ]
    Checking for hidden files and directories [ Warning ]

    [Press to continue]

    Checking application versions…

    Checking version of GnuPG [ OK ]
    Checking version of OpenSSL [ Warning ]
    Checking version of OpenSSH [ OK ]

    System checks summary
    =====================

    File properties checks…
    Required commands check failed
    Files checked: 136
    Suspect files: 6

    Rootkit checks…
    Rootkits checked : 245
    Possible rootkits: 1
    Rootkit names : Xzibit Rootkit

    Applications checks…
    Applications checked: 3
    Suspect applications: 1

    The system checks took: 1 minute and 46 seconds

    All results have been written to the log file (/var/log/rkhunter.log)

    One or more warnings have been found while checking the system.
    Please check the log file (/var/log/rkhunter.log)

    Thanks for the help, if you can. 0ne l0ve

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