proftpd -V
Compile-time Settings:
  Version: 1.3.1
  Platform: LINUX
  Built With:
    configure --build=i386-redhat-linux-gnu --host=i386-redhat-linux-gnu --target=i386-redhat-linux-gnu --program-prefix= --prefix=/usr --exec-prefix=/usr --bindir=/usr/bin --sbindir=/usr/sbin --sysconfdir=/etc --datadir=/usr/share --includedir=/usr/include --libdir=/usr/lib --libexecdir=/usr/libexec --localstatedir=/var --sharedstatedir=/usr/com --mandir=/usr/share/man --infodir=/usr/share/info --libexecdir=/usr/libexec/proftpd --localstatedir=/var/run --enable-ctrls --enable-facl --enable-dso --enable-ipv6 --enable-openssl --with-libraries=/usr/lib/mysql --with-includes=/usr/include/mysql --with-modules=mod_readme:mod_auth_pam:mod_tls --with-shared=mod_ldap:mod_sql:mod_sql_mysql:mod_sql_postgres:mod_quotatab:mod_quotatab_file:mod_quotatab_ldap:mod_quotatab_sql

  CFLAGS: -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m32 -march=i386 -mtune=generic -fasynchronous-unwind-tables -Wall
  LDFLAGS: -L$(top_srcdir)/lib 
  LIBS: -lsupp -lcrypt 

  Files:
    Configuration File:
      /etc/proftpd.conf
    Pid File:
      /var/run/proftpd.pid
    Scoreboard File:
      /var/run/proftpd/proftpd.scoreboard
    Shared Module Directory:
      /usr/libexec/proftpd

  Features:
    - Autoshadow support
    + Controls support
    + curses support
    - Developer support
    + DSO support
    + IPv6 support
    + Largefile support
    - Lastlog support
    + ncurses support
    - NLS support
    + OpenSSL support
    + POSIX ACL support
    - Shadow file suppport
    + Sendfile support
    + Trace support

  Tunable Options:
    PR_TUNABLE_BUFFER_SIZE = 1024
    PR_TUNABLE_GLOBBING_MAX = 8
    PR_TUNABLE_HASH_TABLE_SIZE = 40
    PR_TUNABLE_NEW_POOL_SIZE = 512
    PR_TUNABLE_RCVBUFSZ = 87380
    PR_TUNABLE_SCOREBOARD_BUFFER_SIZE = 80
    PR_TUNABLE_SCOREBOARD_SCRUB_TIMER = 30
    PR_TUNABLE_SELECT_TIMEOUT = 30
    PR_TUNABLE_SNDBUFSZ = 16384
    PR_TUNABLE_TIMEOUTIDENT = 10
    PR_TUNABLE_TIMEOUTIDLE = 600
    PR_TUNABLE_TIMEOUTLINGER = 180
    PR_TUNABLE_TIMEOUTLOGIN = 300
    PR_TUNABLE_TIMEOUTNOXFER = 300
    PR_TUNABLE_TIMEOUTSTALLED = 3600
    PR_TUNABLE_XFER_BUFFER_SIZE = 16384
    PR_TUNABLE_XFER_SCOREBOARD_UPDATES = 10