If you already have NCSA httpd 1.3 running, you may update the httpd binary only without the support files. A step-by-step guide on how to update the old server is available.
Select the item which matches your system to download a copy of the software.
You will get a .tar.Z file with the server binary, and other support directories.
SGI Indy, IRIX 5.2.
SPARCserver 690MP, SunOS 4.1.3.
Sparc 20, Solaris 2.4
IBM RS/6000 Model 550, AIX 3.2.5
HP 9000 model 715, HP-UX 9.05
Dec Alpha, OSF/1 3.0
Pentium 90, Linux 1.2.7
NCSA httpd Development Team
httpd@ncsa.uiuc.edu