X-Git-Url: http://andersk.mit.edu/gitweb/openssh.git/blobdiff_plain/44c7899630ef721d91fcad069508e5d3204ce2af..25616c132251df1782c4edcb873f8acba345fc97:/INSTALL diff --git a/INSTALL b/INSTALL index 846e3881..0fa4a6d2 100644 --- a/INSTALL +++ b/INSTALL @@ -3,22 +3,22 @@ You will need working installations of Zlib and OpenSSL. -Zlib: -http://www.gzip.org/zlib/ +Zlib 1.1.4 or greater: +http://www.gzip.org/zlib/ OpenSSL 0.9.6 or greater: http://www.openssl.org/ -(OpenSSL 0.9.5a is partially supported, but some ciphers (SSH protocol 1 +(OpenSSL 0.9.5a is partially supported, but some ciphers (SSH protocol 1 Blowfish) do not work correctly.) OpenSSH can utilise Pluggable Authentication Modules (PAM) if your system supports it. PAM is standard on Redhat and Debian Linux, Solaris and HP-UX 11. -NB. If you operating system supports /dev/random, you should configure -OpenSSL to use it. OpenSSH relies on OpenSSL's direct support of -/dev/random. If you don't you will have to rely on ssh-rand-helper, which +NB. If you operating system supports /dev/random, you should configure +OpenSSL to use it. OpenSSH relies on OpenSSL's direct support of +/dev/random. If you don't you will have to rely on ssh-rand-helper, which is inferior to a good kernel-based solution. PAM: @@ -30,14 +30,14 @@ libraries and headers. GNOME: http://www.gnome.org/ -Alternatively, Jim Knoble has written an excellent X11 +Alternatively, Jim Knoble has written an excellent X11 passphrase requester. This is maintained separately at: -http://www.ntrnet.net/~jmknoble/software/x11-ssh-askpass/index.html +http://www.jmknoble.net/software/x11-ssh-askpass/ PRNGD: -If your system lacks Kernel based random collection, the use of Lutz +If your system lacks Kernel based random collection, the use of Lutz Jaenicke's PRNGd is recommended. http://www.aet.tu-cottbus.de/personen/jaenicke/postfix_tls/prngd.html @@ -54,7 +54,7 @@ http://www.sparc.spb.su/solaris/skey/ If you wish to use --with-skey then you will need the above library installed. No other current S/Key library is currently known to be -supported. +supported. 2. Building / Installation -------------------------- @@ -73,7 +73,7 @@ installation prefix, use the --prefix option to configure: make make install -Will install OpenSSH in /opt/{bin,etc,lib,sbin}. You can also override +Will install OpenSSH in /opt/{bin,etc,lib,sbin}. You can also override specific paths, for example: ./configure --prefix=/opt --sysconfdir=/etc/ssh @@ -101,56 +101,45 @@ name). There are a few other options to the configure script: ---with-pam enables PAM support. +--with-pam enables PAM support. If PAM support is compiled in, it must +also be enabled in sshd_config (refer to the UsePAM directive). ---enable-gnome-askpass will build the GNOME passphrase dialog. You -need a working installation of GNOME, including the development -headers, for this to work. - ---with-prngd-socket=/some/file allows you to enable EGD or PRNGD -support and to specify a PRNGd socket. Use this if your Unix lacks -/dev/random and you don't want to use OpenSSH's builtin entropy +--with-prngd-socket=/some/file allows you to enable EGD or PRNGD +support and to specify a PRNGd socket. Use this if your Unix lacks +/dev/random and you don't want to use OpenSSH's builtin entropy collection support. ---with-prngd-port=portnum allows you to enable EGD or PRNGD support -and to specify a EGD localhost TCP port. Use this if your Unix lacks -/dev/random and you don't want to use OpenSSH's builtin entropy +--with-prngd-port=portnum allows you to enable EGD or PRNGD support +and to specify a EGD localhost TCP port. Use this if your Unix lacks +/dev/random and you don't want to use OpenSSH's builtin entropy collection support. ---with-lastlog=FILE will specify the location of the lastlog file. +--with-lastlog=FILE will specify the location of the lastlog file. ./configure searches a few locations for lastlog, but may not find it if lastlog is installed in a different place. --without-lastlog will disable lastlog support entirely. ---with-osfsia, --without-osfsia will enable or disable OSF1's Security +--with-osfsia, --without-osfsia will enable or disable OSF1's Security Integration Architecture. The default for OSF1 machines is enable. ---with-kerberos4=PATH will enable Kerberos IV support. You will need -to have the Kerberos libraries and header files installed for this -to work. Use the optional PATH argument to specify the root of your -Kerberos installation. - ---with-afs=PATH will enable AFS support. You will need to have the -Kerberos IV and the AFS libraries and header files installed for this -to work. Use the optional PATH argument to specify the root of your -AFS installation. AFS requires Kerberos support to be enabled. - ---with-skey=PATH will enable S/Key one time password support. You will +--with-skey=PATH will enable S/Key one time password support. You will need the S/Key libraries and header files installed for this to work. --with-tcp-wrappers will enable TCP Wrappers (/etc/hosts.allow|deny) support. You will need libwrap.a and tcpd.h installed. --with-md5-passwords will enable the use of MD5 passwords. Enable this -if your operating system uses MD5 passwords without using PAM. +if your operating system uses MD5 passwords and the system crypt() does +not support them directly (see the crypt(3/3c) man page). If enabled, the +resulting binary will support both MD5 and traditional crypt passwords. ---with-utmpx enables utmpx support. utmpx support is automatic for +--with-utmpx enables utmpx support. utmpx support is automatic for some platforms. --without-shadow disables shadow password support. ---with-ipaddr-display forces the use of a numeric IP address in the +--with-ipaddr-display forces the use of a numeric IP address in the $DISPLAY environment variable. Some broken systems need this. --with-default-path=PATH allows you to specify a default $PATH for sessions @@ -161,12 +150,6 @@ created. --with-xauth=PATH specifies the location of the xauth binary ---with-ipv4-default instructs OpenSSH to use IPv4 by default for new -connections. Normally OpenSSH will try attempt to lookup both IPv6 and -IPv4 addresses. On Linux/glibc-2.1.2 this causes long delays in name -resolution. If this option is specified, you can still attempt to -connect to IPv6 addresses using the command line option '-6'. - --with-ssl-dir=DIR allows you to specify where your OpenSSL libraries are installed. @@ -186,33 +169,33 @@ CFLAGS="-O -m486" LDFLAGS="-s" LIBS="-lrubbish" LD="/usr/foo/ld" ./configure 3. Configuration ---------------- -The runtime configuration files are installed by in ${prefix}/etc or +The runtime configuration files are installed by in ${prefix}/etc or whatever you specified as your --sysconfdir (/usr/local/etc by default). -The default configuration should be instantly usable, though you should +The default configuration should be instantly usable, though you should review it to ensure that it matches your security requirements. To generate a host key, run "make host-key". Alternately you can do so -manually using the following commands: +manually using the following commands: ssh-keygen -t rsa1 -f /etc/ssh/ssh_host_key -N "" ssh-keygen -t rsa -f /etc/ssh/ssh_host_rsa_key -N "" ssh-keygen -t dsa -f /etc/ssh/ssh_host_dsa_key -N "" Replacing /etc/ssh with the correct path to the configuration directory. -(${prefix}/etc or whatever you specified with --sysconfdir during +(${prefix}/etc or whatever you specified with --sysconfdir during configuration) If you have configured OpenSSH with EGD support, ensure that EGD is running and has collected some Entropy. -For more information on configuration, please refer to the manual pages +For more information on configuration, please refer to the manual pages for sshd, ssh and ssh-agent. 4. Problems? ------------ -If you experience problems compiling, installing or running OpenSSH. +If you experience problems compiling, installing or running OpenSSH. Please refer to the "reporting bugs" section of the webpage at http://www.openssh.com/