Question

I did "sudo ufw app list", why is my list so huge?

deno@dsls-debian-512mb-ams3-01:~$ sudo ufw app list
Available applications:
  AIM
  Bonjour
  CIFS
  DNS
  Deluge
  IMAP
  IMAPS
  IPP
  KTorrent
  Kerberos Admin
  Kerberos Full
  Kerberos KDC
  Kerberos Password
  LDAP
  LDAPS
  LPD
  MSN
  MSN SSL
  Mail submission
  NFS
  Nginx Full
  Nginx HTTP
  Nginx HTTPS
  OpenSSH
  POP3
  POP3S
  PeopleNearby
  SMTP
  SSH
  Socks
  Telnet
  Transmission
  Transparent Proxy
  VNC
  WWW
  WWW Cache
  WWW Full
  WWW Secure
  XMPP
  Yahoo
  qBittorrent
  svnserve

qBittorrent, kTorrent, Yahoo, MSN, Deluge… it feels like spam? How is it possible?

Should I try to remove some?

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Kamal Nasser • December 17, 2017
Accepted Answer

These applications are simply profiles that UFW knows about and can use. It doesn’t mean that it has active rules for all of them. The profiles should be stored in /etc/ufw/applications.d, but I wouldn’t recommend deleting any of them.

To list the current active rules, use the command ufw status.