Using script patsed below I can't connect to ssh server. When I upgrade pecl-ssh2 to 0.12 I can connect without problem. Maybe pecl-ssh2-0.12-r1 should be marked as "stable"? php script: <?php $host = "192.168.1.1"; $login = "xyz"; $password = "password"; $connection = ssh2_connect($host); if(false === $connection) throw new Exception("Failed to connect to SSH host"); if(false === ssh2_fingerprint($connection)) throw new Exception("Failed to fetch host fingerprint"); if(false === ssh2_auth_password($connection, $login, $password)) throw new Exception("Failed to authenticate to SSH server"); echo "Looks fine"; ?> I've tested on php5.4. Reproducible: Always Portage 2.2.7 (default/linux/amd64/13.0/desktop/kde, gcc-4.8.1, glibc-2.17, 3.10.10-gentoo x86_64) ================================================================= System uname: Linux-3.10.10-gentoo-x86_64-Intel-R-_Core-TM-2_Duo_CPU_E8400_@_3.00GHz-with-gentoo-2.2 KiB Mem: 3079272 total, 406804 free KiB Swap: 5242812 total, 4794684 free Timestamp of tree: Fri, 27 Sep 2013 06:00:01 +0000 ld GNU gold (GNU Binutils 2.23.2) 1.11 ccache version 3.1.9 [enabled] app-shells/bash: 4.2_p45 dev-java/java-config: 2.2.0 dev-lang/python: 2.7.5-r2, 3.2.5-r2, 3.3.2-r2 dev-util/ccache: 3.1.9-r1 dev-util/cmake: 2.8.11.2 dev-util/pkgconfig: 0.28 sys-apps/baselayout: 2.2 sys-apps/openrc: 0.11.8 sys-apps/sandbox: 2.6-r1 sys-devel/autoconf: 2.13, 2.69 sys-devel/automake: 1.12.6, 1.13.4, 1.14 sys-devel/binutils: 2.23.2 sys-devel/gcc: 4.5.4, 4.6.4, 4.7.3-r1, 4.8.1 sys-devel/gcc-config: 1.8 sys-devel/libtool: 2.4.2 sys-devel/make: 3.82-r4 sys-kernel/linux-headers: 3.11 (virtual/os-headers) sys-libs/glibc: 2.17 Repositories: gentoo sunrise horhe gnustep x-in_sunrise x-staging x-portage cadera ACCEPT_KEYWORDS="amd64 ~amd64" ACCEPT_LICENSE="* -@EULA AdobeFlash-11.x PUEL Q3AEULA dlj-1.1 Oracle-BCLA-JavaSE" CBUILD="x86_64-pc-linux-gnu" CFLAGS="-O2 -march=native -pipe -fpeel-loops -frename-registers -frecord-gcc-switches -fno-unwind-tables -fno-asynchronous-unwind-tables -fpredictive-commoning -fweb -ftree-vectorize -floop-interchange -fivopts -floop-block -floop-strip-mine -fira-loop-pressure -floop-interchange -ftree-loop-linear -Wdisabled-optimization -fuse-linker-plugin" CHOST="x86_64-pc-linux-gnu" CONFIG_PROTECT="/etc /usr/share/config /usr/share/gnupg/qualified.txt" CONFIG_PROTECT_MASK="/etc/ca-certificates.conf /etc/env.d /etc/fonts/fonts.conf /etc/gconf /etc/gentoo-release /etc/php/apache2-php5.4/ext-active/ /etc/php/apache2-php5.5/ext-active/ /etc/php/cgi-php5.4/ext-active/ /etc/php/cgi-php5.5/ext-active/ /etc/php/cli-php5.4/ext-active/ /etc/php/cli-php5.5/ext-active/ /etc/revdep-rebuild /etc/sandbox.d /etc/terminfo" CXXFLAGS="-O2 -march=native -pipe -fpeel-loops -frename-registers -frecord-gcc-switches -fno-unwind-tables -fno-asynchronous-unwind-tables -fpredictive-commoning -fweb -ftree-vectorize -floop-interchange -fivopts -floop-block -floop-strip-mine -fira-loop-pressure -floop-interchange -ftree-loop-linear -Wdisabled-optimization -fuse-linker-plugin" DISTDIR="/usr/portage/distfiles" FCFLAGS="-O2 -pipe" FEATURES="Xfail-clean Xkeepwork Xunmerge-backup assume-digests binpkg-logs ccache collision-protect compressdebug config-protect-if-modified distlocks ebuild-locks fixlafiles merge-sync news parallel-fetch preserve-libs protect-owned sandbox sfperms strict unmerge-logs unmerge-orphans userfetch userpriv usersandbox usersync xattr" FFLAGS="-O2 -pipe" GENTOO_MIRRORS="http://distfiles.gentoo.org" LDFLAGS="-Wl,-O1 -Wl,--as-needed -z relro -Wl,--sort-common" MAKEOPTS="-j2" PKGDIR="/usr/portage/packages" PORTAGE_CONFIGROOT="/" PORTAGE_RSYNC_EXTRA_OPTS="-O" PORTAGE_RSYNC_OPTS="--recursive --links --safe-links --perms --times --omit-dir-times --compress --force --whole-file --delete --stats --human-readable --timeout=180 --exclude=/distfiles --exclude=/local --exclude=/packages" PORTAGE_TMPDIR="/var/tmp" PORTDIR="/usr/portage" PORTDIR_OVERLAY="/usr/local/portage/layman/sunrise /usr/local/portage/layman/horhe /usr/local/portage/layman/gnustep /usr/local/portage/miro-overlay/in_sunrise /usr/local/portage/miro-overlay/staging /usr/local/portage/miro-overlay/portage /home/marcin/workdir/svn-cadera/trunk/Gentoo/overlay" SYNC="rsync://192.168.138.254/gentoo-portage" USE="X a52 aac acl acpi aio alsa amd64 apm async bash-completion bittorrent branding bzip2 cairo caps cdda cdr chroot cli consolekit crypt cups cxx dbus declarative dmx dri dvd dvdr emboss encode exif fam firefox ftp gif glibc-omitfp gpm graphite gstreamer iconv idn iproute2 ipv6 ithreads jpeg kde kipi laptop lcms libnotify lightning logrotate mad mmap mmx mmxext mng modules mp3 mp4 mpeg mudflap multilib ncurses network-cron nls nptl nsplugin nspluginwrapper objc ogg opengl openmp openssl optimization optimized-qmake pam pango pch pcre pdf phonon plasma png policykit ppds python3 qt3support qt4 readline samba sdl semantic-desktop session sharedmem smp spell sse sse2 sse3 sse4_1 ssl ssse3 startup-notification svg threads threadsafe tiff tools truetype udev udisks unicode upower urandom usb vim vim-pager vim-syntax vorbis wxwidgets x264 xattr xcb xcomposite xinerama xml xscreensaver xv xvid zip zlib" ABI_X86="64" ALSA_CARDS="ali5451 als4000 atiixp atiixp-modem bt87x ca0106 cmipci emu10k1x ens1370 ens1371 es1938 es1968 fm801 hda-intel intel8x0 intel8x0m maestro3 trident usb-audio via82xx via82xx-modem ymfpci" APACHE2_MODULES="actions alias auth_basic authn_alias authn_anon authn_dbm authn_default authn_file authz_dbm authz_default authz_groupfile authz_host authz_owner authz_user autoindex cgid dav dbd deflate dir env expires ext_filter filter headers include info log_config logio mime mime_magic negotiation rewrite setenvif speling status unique_id usertrack vhost_alias" APACHE2_MPMS="worker" CALLIGRA_FEATURES="kexi words flow plan sheets stage tables krita karbon braindump author" CAMERAS="ptp2" COLLECTD_PLUGINS="df interface irq load memory rrdtool swap syslog" DRACUT_MODULES="caps lvm mdraid" ELIBC="glibc" GPSD_PROTOCOLS="ashtech aivdm earthmate evermore fv18 garmin garmintxt gpsclock itrax mtk3301 nmea ntrip navcom oceanserver oldstyle oncore rtcm104v2 rtcm104v3 sirf superstar2 timing tsip tripmate tnt ubx" INPUT_DEVICES="evdev" KERNEL="linux" LCD_DEVICES="bayrad cfontz cfontz633 glk hd44780 lb216 lcdm001 mtxorb ncurses text" LIBREOFFICE_EXTENSIONS="presenter-console presenter-minimizer" LINGUAS="pl en es es_ES" OFFICE_IMPLEMENTATION="libreoffice" PHP_TARGETS="php5-3 php5-4" PYTHON_SINGLE_TARGET="python2_7" PYTHON_TARGETS="python2_7 python3_2 python3_3" RUBY_TARGETS="ruby19" USERLAND="GNU" VIDEO_CARDS="nvidia" XTABLES_ADDONS="quota2 psd pknock lscan length2 ipv4options ipset ipp2p iface geoip fuzzy condition tee tarpit sysrq steal rawnat logmark ipmark dhcpmac delude chaos account" Unset: CPPFLAGS, CTARGET, EMERGE_DEFAULT_OPTS, INSTALL_MASK, LANG, LC_ALL, PORTAGE_BUNZIP2_COMMAND, PORTAGE_COMPRESS, PORTAGE_COMPRESS_FLAGS, USE_PYTHON