(I'm using this to recreate a vintage Windows 3.11 image with Photoshop 4.0 and
all 16-bit apps...)

http://lazybrowndog.net/freedos/virtualbox/

FreeDOS with LOTS of TCP/IP apps and MS networking built into the image. 

Networking applications preinstalled are:

    mTCP - a collection of TCP/IP programs including a new FTP server
    Arachne - a web browser
    wget - command line file retriever
    Sioux - a webserver
    ftpsrv32 - another FTP server
    SSH2DOS - a SSH client

and basic networking applications like ping, ftp, etc. that come as part of
these TCP/IP software packages:

    WATTCP
    WATT32
    and mTCP.
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