Hi Laurent, Does it works fine with a previous version? If so, What's the lates version that works? If you google for "bind#1: Invalid argument (22) aix stunnel" you will find a mail thread with a similar issue. Regards, Jose ________________________________ From: "laurent.uk@bnpparibas.com" <laurent.uk@bnpparibas.com> To: stunnel-users@stunnel.org Sent: Fri, May 13, 2011 6:39:29 AM Subject: [stunnel-users] problem with stunnel 4.36 (server mode), error after the 1st connexion Hi everyone, i have installed the stunnel 4.36 today and now i have some errors... The 1st connexion is working fine : 011.05.13 13:23:44 LOG5[1802366:1]: Reading configuration from file /opt/freeware/etc/stunnel/stunnel_server_level1.conf 2011.05.13 13:23:44 LOG7[1802366:1]: Snagged 64 random bytes from //.rnd 2011.05.13 13:23:44 LOG7[1802366:1]: Wrote 1024 new random bytes to //.rnd 2011.05.13 13:23:44 LOG7[1802366:1]: PRNG seeded successfully 2011.05.13 13:23:44 LOG7[1802366:1]: Using DH parameters from /opt/freeware/etc/stunnel/ca_nopass.pem 2011.05.13 13:23:44 LOG6[1802366:1]: DH initialized with 512 bit key 2011.05.13 13:23:44 LOG7[1802366:1]: ECDH initialized 2011.05.13 13:23:44 LOG7[1802366:1]: Certificate: /opt/freeware/etc/stunnel/ca_nopass.pem 2011.05.13 13:23:44 LOG7[1802366:1]: Certificate loaded 2011.05.13 13:23:44 LOG7[1802366:1]: Key file: /opt/freeware/etc/stunnel/ca_nopass.pem 2011.05.13 13:23:44 LOG7[1802366:1]: Private key loaded 2011.05.13 13:23:44 LOG7[1802366:1]: Verify directory set to /opt/freeware/etc/stunnel/CA_files/ 2011.05.13 13:23:44 LOG7[1802366:1]: Added /opt/freeware/etc/stunnel/CA_files/ revocation lookup directory 2011.05.13 13:23:44 LOG7[1802366:1]: Added /opt/freeware/etc/stunnel/CRL_files/ revocation lookup directory 2011.05.13 13:23:44 LOG5[1802366:1]: Peer certificate location /opt/freeware/etc/stunnel/CA_files/ 2011.05.13 13:23:44 LOG7[1802366:1]: SSL context initialized for service pesitip 2011.05.13 13:23:44 LOG5[1802366:1]: Configuration successful 2011.05.13 13:23:44 LOG5[1802366:1]: No limit detected for the number of clients 2011.05.13 13:23:44 LOG7[1802366:1]: signal_pipe: FD=4 allocated (blocking mode) 2011.05.13 13:23:44 LOG7[1802366:1]: signal_pipe: FD=5 allocated (blocking mode) 2011.05.13 13:23:44 LOG7[1802366:1]: accept socket: FD=6 allocated (non-blocking mode) 2011.05.13 13:23:44 LOG7[1802366:1]: Option SO_REUSEADDR set on accept socket 2011.05.13 13:23:44 LOG7[1802366:1]: Service pesitip bound to 0.0.0.0:10443 2011.05.13 13:23:44 LOG7[1802366:1]: Service pesitip opened FD=6 2011.05.13 13:23:44 LOG7[1802366:1]: Created pid file /var/adm/stunnel_server_level1.pid 2011.05.13 13:23:44 LOG5[1802366:1]: stunnel 4.36 on powerpc-ibm-aix5.2.0.0 with OpenSSL 0.9.8k 25 Mar 2009 2011.05.13 13:23:44 LOG5[1802366:1]: Threading:PTHREAD SSL:ENGINE Auth:none Sockets:POLL, IPv6 2011.05.13 13:28:36 LOG7[1802366:1]: local socket: FD=7 allocated (non-blocking mode) 2011.05.13 13:28:36 LOG7[1802366:1]: Service pesitip accepted FD=7 from 10.254.181.230:2991 2011.05.13 13:28:36 LOG7[1802366:258]: Service pesitip started 2011.05.13 13:28:36 LOG7[1802366:258]: Option TCP_NODELAY set on local socket 2011.05.13 13:28:36 LOG5[1802366:258]: Service pesitip accepted connection from 10.254.181.230:2991 2011.05.13 13:28:36 LOG7[1802366:258]: SSL state (accept): before/accept initialization 2011.05.13 13:28:36 LOG7[1802366:258]: SSL state (accept): SSLv3 read client hello A 2011.05.13 13:28:36 LOG7[1802366:258]: SSL state (accept): SSLv3 write server hello A 2011.05.13 13:28:36 LOG7[1802366:258]: SSL state (accept): SSLv3 write certificate A 2011.05.13 13:28:36 LOG7[1802366:258]: SSL state (accept): SSLv3 write certificate request A 2011.05.13 13:28:36 LOG7[1802366:258]: SSL state (accept): SSLv3 flush data 2011.05.13 13:28:37 LOG7[1802366:258]: Starting certificate verification: depth=1, /O=SWIFT 2011.05.13 13:28:37 LOG5[1802366:258]: Certificate accepted: depth=1, /O=SWIFT 2011.05.13 13:28:37 LOG7[1802366:258]: Starting certificate verification: depth=0, /C=ww/O=swift/OU=personalid/OU=bnpafrpp/CN=crl-3skey-ebics-ts 2011.05.13 13:28:37 LOG5[1802366:258]: Certificate accepted: depth=0, /C=ww/O=swift/OU=personalid/OU=bnpafrpp/CN=crl-3skey-ebics-ts 2011.05.13 13:28:37 LOG7[1802366:258]: SSL state (accept): SSLv3 read client certificate A 2011.05.13 13:28:37 LOG7[1802366:258]: SSL state (accept): SSLv3 read client key exchange A 2011.05.13 13:28:37 LOG7[1802366:258]: SSL state (accept): SSLv3 read certificate verify A 2011.05.13 13:28:37 LOG7[1802366:258]: SSL state (accept): SSLv3 read finished A 2011.05.13 13:28:37 LOG7[1802366:258]: SSL state (accept): SSLv3 write change cipher spec A 2011.05.13 13:28:37 LOG7[1802366:258]: SSL state (accept): SSLv3 write finished A 2011.05.13 13:28:37 LOG7[1802366:258]: SSL state (accept): SSLv3 flush data 2011.05.13 13:28:37 LOG7[1802366:258]: 1 items in the session cache 2011.05.13 13:28:37 LOG7[1802366:258]: 0 client connects (SSL_connect()) 2011.05.13 13:28:37 LOG7[1802366:258]: 0 client connects that finished 2011.05.13 13:28:37 LOG7[1802366:258]: 0 client renegotiations requested 2011.05.13 13:28:37 LOG7[1802366:258]: 1 server connects (SSL_accept()) 2011.05.13 13:28:37 LOG7[1802366:258]: 1 server connects that finished 2011.05.13 13:28:37 LOG7[1802366:258]: 0 server renegotiations requested 2011.05.13 13:28:37 LOG7[1802366:258]: 0 session cache hits 2011.05.13 13:28:37 LOG7[1802366:258]: 0 external session cache hits 2011.05.13 13:28:37 LOG7[1802366:258]: 0 session cache misses 2011.05.13 13:28:37 LOG7[1802366:258]: 0 session cache timeouts 2011.05.13 13:28:37 LOG6[1802366:258]: SSL accepted: new session negotiated 2011.05.13 13:28:37 LOG6[1802366:258]: Negotiated ciphers: RC4-MD5 SSLv3 Kx=RSA Au=RSA Enc=RC4(128) Mac=MD5 2011.05.13 13:28:37 LOG7[1802366:258]: remote socket: FD=8 allocated (non-blocking mode) 2011.05.13 13:28:37 LOG6[1802366:258]: connect_blocking: connecting 159.50.5.165:10016 2011.05.13 13:28:37 LOG5[1802366:258]: connect_blocking: connected 159.50.5.165:10016 2011.05.13 13:28:37 LOG5[1802366:258]: Service pesitip connected remote server from 159.50.5.165:52585 2011.05.13 13:28:37 LOG7[1802366:258]: Remote FD=8 initialized 2011.05.13 13:28:37 LOG7[1802366:258]: Option TCP_NODELAY set on remote socket 2011.05.13 13:31:25 LOG7[1802366:258]: SSL alert (read): warning: close notify 2011.05.13 13:31:25 LOG7[1802366:258]: SSL closed on SSL_read 2011.05.13 13:31:25 LOG7[1802366:258]: Sending socket write shutdown 2011.05.13 13:31:25 LOG3[1802366:258]: readsocket: Connection reset by peer (73) 2011.05.13 13:31:25 LOG5[1802366:258]: Connection reset: 275 bytes sent to SSL, 17935 bytes sent to socket 2011.05.13 13:31:25 LOG7[1802366:258]: Service pesitip finished (0 left) 2011.05.13 13:31:25 LOG7[1802366:258]: str_stats: 36 blocks, 4350 bytes but when its the second i always have the error : 011.05.13 13:32:19 LOG7[1802366:1]: local socket: FD=7 allocated (non-blocking mode) 2011.05.13 13:32:19 LOG7[1802366:1]: Service pesitip accepted FD=7 from 10.254.181.230:3007 2011.05.13 13:32:19 LOG7[1802366:259]: Service pesitip started 2011.05.13 13:32:19 LOG7[1802366:259]: Option TCP_NODELAY set on local socket 2011.05.13 13:32:19 LOG5[1802366:259]: Service pesitip accepted connection from 10.254.181.230:3007 2011.05.13 13:32:19 LOG7[1802366:259]: SSL state (accept): before/accept initialization 2011.05.13 13:32:19 LOG7[1802366:259]: SSL state (accept): SSLv3 read client hello A 2011.05.13 13:32:19 LOG7[1802366:259]: SSL state (accept): SSLv3 write server hello A 2011.05.13 13:32:19 LOG7[1802366:259]: SSL state (accept): SSLv3 write certificate A 2011.05.13 13:32:19 LOG7[1802366:259]: SSL state (accept): SSLv3 write certificate request A 2011.05.13 13:32:19 LOG7[1802366:259]: SSL state (accept): SSLv3 flush data 2011.05.13 13:32:19 LOG7[1802366:259]: Starting certificate verification: depth=1, /O=SWIFT 2011.05.13 13:32:19 LOG6[1802366:259]: CERT: Verification not enabled 2011.05.13 13:32:19 LOG5[1802366:259]: Certificate accepted: depth=1, /O=SWIFT 2011.05.13 13:32:19 LOG7[1802366:259]: Starting certificate verification: depth=0, /C=ww/O=swift/OU=personalid/OU=bnpafrpp/CN=crl-3skey-ebics-ts 2011.05.13 13:32:19 LOG6[1802366:259]: CERT: Verification not enabled 2011.05.13 13:32:19 LOG5[1802366:259]: Certificate accepted: depth=0, /C=ww/O=swift/OU=personalid/OU=bnpafrpp/CN=crl-3skey-ebics-ts 2011.05.13 13:32:19 LOG7[1802366:259]: SSL state (accept): SSLv3 read client certificate A 2011.05.13 13:32:19 LOG7[1802366:259]: SSL state (accept): SSLv3 read client key exchange A 2011.05.13 13:32:19 LOG7[1802366:259]: SSL state (accept): SSLv3 read certificate verify A 2011.05.13 13:32:19 LOG7[1802366:259]: SSL state (accept): SSLv3 read finished A 2011.05.13 13:32:19 LOG7[1802366:259]: SSL state (accept): SSLv3 write change cipher spec A 2011.05.13 13:32:19 LOG7[1802366:259]: SSL state (accept): SSLv3 write finished A 2011.05.13 13:32:19 LOG7[1802366:259]: SSL state (accept): SSLv3 flush data 2011.05.13 13:32:19 LOG7[1802366:259]: 2 items in the session cache 2011.05.13 13:32:19 LOG7[1802366:259]: 0 client connects (SSL_connect()) 2011.05.13 13:32:19 LOG7[1802366:259]: 0 client connects that finished 2011.05.13 13:32:19 LOG7[1802366:259]: 0 client renegotiations requested 2011.05.13 13:32:19 LOG7[1802366:259]: 2 server connects (SSL_accept()) 2011.05.13 13:32:19 LOG7[1802366:259]: 2 server connects that finished 2011.05.13 13:32:19 LOG7[1802366:259]: 0 server renegotiations requested 2011.05.13 13:32:19 LOG7[1802366:259]: 0 session cache hits 2011.05.13 13:32:19 LOG7[1802366:259]: 0 external session cache hits 2011.05.13 13:32:19 LOG7[1802366:259]: 0 session cache misses 2011.05.13 13:32:19 LOG7[1802366:259]: 0 session cache timeouts 2011.05.13 13:32:19 LOG6[1802366:259]: SSL accepted: new session negotiated 2011.05.13 13:32:19 LOG6[1802366:259]: Negotiated ciphers: RC4-MD5 SSLv3 Kx=RSA Au=RSA Enc=RC4(128) Mac=MD5 2011.05.13 13:32:19 LOG7[1802366:259]: socket#1: FD=8 allocated (non-blocking mode) 2011.05.13 13:32:19 LOG7[1802366:259]: socket#2: FD=9 allocated (non-blocking mode) 2011.05.13 13:32:19 LOG7[1802366:259]: bind#1: Invalid argument (22) 2011.05.13 13:32:19 LOG7[1802366:259]: bind#2: Invalid argument (22) 2011.05.13 13:32:19 LOG7[1802366:259]: accept: FD=10 allocated (non-blocking mode) 2011.05.13 13:32:19 LOG6[1802366:259]: Local mode child started (PID=614488) 2011.05.13 13:32:19 LOG7[1802366:259]: Remote FD=10 initialized 2011.05.13 13:32:19 LOG7[1802366:259]: Option TCP_NODELAY set on remote socket 2011.05.13 13:32:19 LOG3[1802366:259]: transfer: s_poll_wait: Invalid argument (22) 2011.05.13 13:32:19 LOG3[614488:259]: : No such file or directory (2) 2011.05.13 13:32:19 LOG5[1802366:259]: Connection reset: 0 bytes sent to SSL, 0 bytes sent to socket my configuration file is : ; Sample stunnel configuration file by Michal Trojnara 2002-2006 ; Some options used here may not be adequate for your particular configuration ; Please make sure you understand them (especially the effect of chroot jail) ; Certificate/key is needed in server mode and optional in client mode cert = /opt/freeware/etc/stunnel/ca_nopass.pem foreground = yes syslog = yes ; Protocol version (all, SSLv2, SSLv3, TLSv1) ;sslVersion = SSLv3 sslVersion = all ;ciphers = DES-CBC-SHA: ;ciphers = DES-CBC3-SHA:IDEA-CBC-MD5 ; Some security enhancements for UNIX systems - comment them out on Win32 ;chroot = /usr/local/stunnel/var/lib/stunnel ;chroot = /tmp/ ;setuid = root ;setgid = other ; PID is created inside chroot jail pid = /var/adm/stunnel_server_level1.pid ; Some performance tunings socket = l:TCP_NODELAY=1 socket = r:TCP_NODELAY=1 ;compression = rle ; Workaround for Eudora bug ;options = DONT_INSERT_EMPTY_FRAGMENTS ;options = Options_SSL ; Authentication stuff verify = 3 ; Don't forget to c_rehash CApath ; CApath is located inside chroot jail CApath = /opt/freeware/etc/stunnel/CA_files/ ; It's often easier to use CAfile ;CAfile = /opt/freeware/etc/stunnel/ca.pem ; Don't forget to c_rehash CRLpath ; CRLpath is located inside chroot jail CRLpath = /opt/freeware/etc/stunnel/CRL_files/ ; Alternatively you can use CRLfile ;CRLfile = /usr/local/stunnel/etc/stunnel/crls.pem ; Some debugging stuff useful for troubleshooting debug = 7 ; Use it for client mode client = no ; Service-level configuration [pesitip] accept = 10443 connect = XXXXXXXXXXXXX:10016 Can you help me to find a solution for this problem please? Thanks you very much. Laurent UK This message and any attachments (the "message") is intended solely for the addressees and is confidential. If you receive this message in error, please delete it and immediately notify the sender. Any use not in accord with its purpose, any dissemination or disclosure, either whole or partial, is prohibited except formal approval. The internet can not guarantee the integrity of this message. BNP PARIBAS (and its subsidiaries) shall (will) not therefore be liable for the message if modified. Do not print this message unless it is necessary, consider the environment. --------------------------------------------- Ce message et toutes les pieces jointes (ci-apres le "message") sont etablis a l'intention exclusive de ses destinataires et sont confidentiels. Si vous recevez ce message par erreur, merci de le detruire et d'en avertir immediatement l'expediteur. 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