Re: Possible PASV port theft

From: Barry Margolin (barmar@genuity.net)
Date: 02/27/02 

From: Barry Margolin <barmar@genuity.net>
Date: Wed, 27 Feb 2002 16:19:00 GMT

In article <188cd7b2.0202262344.567ebb40@posting.google.com>,
gaius.petronius <rut@linuxmail.org> wrote:
>Has anyone heard whether any ftp implementations need a udp connection
>on port 20,21 in addition to tcp?

That's a new one to me. 

-- 
Barry Margolin, barmar@genuity.net
Genuity, Woburn, MA
*** DON'T SEND TECHNICAL QUESTIONS DIRECTLY TO ME, post them to newsgroups.
Please DON'T copy followups to me -- I'll assume it wasn't posted to the group.

Relevant Pages

  • Re: Possible PASV port theft
    ... >Has anyone heard whether any ftp implementations need a udp connection ... >on port 20,21 in addition to tcp? ...
    (comp.os.linux.security)
  • Re: excessive TCP dulplicate acks revisted
    ... The tcp duplicate ACK attack is back. ... there was a thread on duplicate TCP acks in -CURRENT. ... TCP STREAM TEST from localhost port 0 AF_INET to greenhouse- george.18clay.com port 0 AF_INET ... Socket Socket Message Elapsed ...
    (freebsd-current)
  • excessive TCP dulplicate acks revisted
    ... The tcp duplicate ACK attack is back. ... there was a thread on duplicate TCP acks in -CURRENT. ... TCP STREAM TEST from localhost port 0 AF_INET to greenhouse- george.18clay.com port 0 AF_INET ... Socket Socket Message Elapsed ...
    (freebsd-current)
  • Re: How to tell if a firewall alert is suspicious or not
    ... > WHY this SBCGlobal DNS server would be contacting Adobe Acrobat on port ... They have to parts, a kernel and the userland, in which programs, which are ... With Internet Protocol and TCP it is so, that any network interface in the ... To initiate a TCP connection, first the server has to "listen" on a port. ...
    (comp.security.firewalls)
  • RE: Configure Hardware Firewall for SBS 2003
    ... the corresponding ports to the SBS box. ... When a router is deployed at the SBS end, you must forward the port numbers ... TCP 110 This port is used for POP3 mail clients. ... TCP 1723 PPTP VPN connection ...
    (microsoft.public.windows.server.sbs)