Proftpd + SSL, Verbindung bricht dauernd ab

#
# /etc/proftpd/proftpd.conf -- This is a basic ProFTPD configuration file.
# To really apply changes reload proftpd after modifications.
#




# Includes DSO modules
Include /etc/proftpd/modules.conf




# Set off to disable IPv6 support which is annoying on IPv4 only boxes.
UseIPv6                         off
# If set on you can experience a longer connection delay in many cases.
IdentLookups                    off




ServerName                      "Debian"
ServerType                      standalone
DeferWelcome                    off




MultilineRFC2228                on
DefaultServer                   on
ShowSymlinks                    on




TimeoutNoTransfer               600




TimeoutStalled                  600
TimeoutIdle                     1200




DisplayLogin                    welcome.msg
DisplayChdir                    .message true
ListOptions                     "-l"




DenyFilter                      \*.*/




# Use this to jail all users in their homes
DefaultRoot                     ~




# Allow Virtual Users
AuthUserFile /etc/proftpd/ftpd.passwd




# Deny Systemuser Logon
AuthPAM off




# Users require a valid shell listed in /etc/shells to login.
# Use this directive to release that constrain.
RequireValidShell               off




# Port 21 is the standard FTP port.




Port                            21




# In some cases you have to specify passive ports range to by-pass
# firewall limitations. Ephemeral ports can be used for that, but
# feel free to use a more narrow range.
PassivePorts                  49152 65534




# If your host was NATted, this option is useful in order to
# allow passive tranfers to work. You have to use your public
# address and opening the passive ports used on your firewall as well.
# MasqueradeAddress             1.2.3.4
MasqueradeAddress x.x.x.x




# This is useful for masquerading address with dynamic IPs:
# refresh any configured MasqueradeAddress directives every 8 hours
<IfModule mod_dynmasq.c>
# DynMasqRefresh 28800
</IfModule>




# To prevent DoS attacks, set the maximum number of child processes
# to 30.  If you need to allow more than 30 concurrent connections
# at once, simply increase this value.  Note that this ONLY works
# in standalone mode, in inetd mode you should use an inetd server




# that allows you to limit maximum number of processes per service
# (such as xinetd)
MaxInstances                    30




# Set the user and group that the server normally runs at.
User                            proftpd
Group                           nogroup




# Umask 022 is a good standard umask to prevent new files and dirs
# (second parm) from being group and world writable.
Umask                           022  022
# Normally, we want files to be overwriteable.
AllowOverwrite                  on




# Uncomment this if you are using NIS or LDAP via NSS to retrieve passwords:
# PersistentPasswd              off




# This is required to use both PAM-based authentication and local passwords
# AuthOrder                     mod_auth_pam.c* mod_auth_unix.c




# Be warned: use of this directive impacts CPU average load!
# Uncomment this if you like to see progress and transfer rate with ftpwho
# in downloads. That is not needed for uploads rates.




#
# UseSendFile                   off




TransferLog /var/log/proftpd/xferlog
SystemLog   /var/log/proftpd/proftpd.log




<IfModule mod_quotatab.c>
QuotaEngine off
</IfModule>




<IfModule mod_ratio.c>
Ratios off
</IfModule>







# Delay engine reduces impact of the so-called Timing Attack described in
# http://security.lss.hr/index.php?page=details&ID=LSS-2004-10-02
# It is on by default.
<IfModule mod_delay.c>
DelayEngine on
</IfModule>




<IfModule mod_ctrls.c>




ControlsEngine        off
ControlsMaxClients    2
ControlsLog           /var/log/proftpd/controls.log
ControlsInterval      5
ControlsSocket        /var/run/proftpd/proftpd.sock
</IfModule>




<IfModule mod_ctrls_admin.c>
AdminControlsEngine off
</IfModule>




#
# Alternative authentication frameworks
#
#Include /etc/proftpd/ldap.conf
#Include /etc/proftpd/sql.conf




#
# This is used for FTPS connections
#
Include /etc/proftpd/tls.conf




# Allow Login only for Group




<Limit LOGIN>
  deny !ftpuser
</Limit>




# A basic anonymous configuration, no upload directories.




# <Anonymous ~ftp>
#   User                                ftp
#   Group                               nogroup
#   # We want clients to be able to login with "anonymous" as well as "ftp"
#   UserAlias                   anonymous ftp
#   # Cosmetic changes, all files belongs to ftp user
#   DirFakeUser on ftp
#   DirFakeGroup on ftp
#
#   RequireValidShell           off
#
#   # Limit the maximum number of anonymous logins
#   MaxClients                  10
#
#   # We want 'welcome.msg' displayed at login, and '.message' displayed
#   # in each newly chdired directory.
#   DisplayLogin                        welcome.msg




#   DisplayChdir                .message
#
#   # Limit WRITE everywhere in the anonymous chroot
#   <Directory *>
#     <Limit WRITE>
#       DenyAll
#     </Limit>
#   </Directory>
#
#   # Uncomment this if you're brave.
#   # <Directory incoming>
#   #   # Umask 022 is a good standard umask to prevent new files and dirs
#   #   # (second parm) from being group and world writable.
#   #   Umask                           022  022
#   #            <Limit READ WRITE>
#   #            DenyAll
#   #            </Limit>
#   #            <Limit STOR>
#   #            AllowAll
#   #            </Limit>
#   # </Directory>
#
# </Anonymous>

#
# Proftpd sample configuration for FTPS connections.
#
# Note that FTPS impose some limitations in NAT traversing.
# See http://www.castaglia.org/proftpd/doc/contrib/ProFTPD-mini-HOWTO-TLS.html
# for more information.
#




<IfModule mod_tls.c>
TLSEngine                               on
TLSLog                                  /var/log/proftpd/tls.log
TLSProtocol                             SSLv23
#
# Server SSL certificate. You can generate a self-signed certificate using
# a command like:
#
# openssl req -x509 -newkey rsa:1024 \
#          -keyout /etc/ssl/private/proftpd.key -out /etc/ssl/certs/proftpd.crt \
#          -nodes -days 365
#
# The proftpd.key file must be readable by root only. The other file can be
# readable by anyone.
#
# chmod 0600 /etc/ssl/private/proftpd.key
# chmod 0640 /etc/ssl/private/proftpd.key
#
#TLSRSACertificateFile                   /etc/ssl/certs/proftpd.crt
#TLSRSACertificateKeyFile                /etc/ssl/private/proftpd.key
TLSRSACertificateFile /usr/local/etc/ftpcert/host.cert
TLSRSACertificateKeyFile /usr/local/etc/ftpcert/host.key
#
# CA the server trusts
#TLSCACertificateFile                    /etc/ssl/certs/CA.pem
# or avoid CA cert
TLSOptions                              NoCertRequest
#
# Authenticate clients that want to use FTP over TLS?
#
TLSVerifyClient                         off
#
# Are clients required to use FTP over TLS when talking to this server?
#
TLSRequired                             on
#
# Allow SSL/TLS renegotiations when the client requests them, but
# do not force the renegotations.  Some clients do not support
# SSL/TLS renegotiations; when mod_tls forces a renegotiation, these
# clients will close the data connection, or there will be a timeout
# on an idle data connection.
#
#TLSRenegotiate                          required off
</IfModule>

#
# OpenSSL example configuration file.
# This is mostly being used for generation of certificate requests.
#




# This definition stops the following lines choking if HOME isn't
# defined.
HOME                    = .
RANDFILE                = $ENV::HOME/.rnd




# Extra OBJECT IDENTIFIER info:
#oid_file               = $ENV::HOME/.oid
oid_section             = new_oids




# To use this configuration file with the "-extfile" option of the
# "openssl x509" utility, name here the section containing the
# X.509v3 extensions to use:
# extensions            =
# (Alternatively, use a configuration file that has only
# X.509v3 extensions in its main [= default] section.)




[ new_oids ]




# We can add new OIDs in here for use by 'ca' and 'req'.
# Add a simple OID like this:
# testoid1=1.2.3.4
# Or use config file substitution like this:
# testoid2=${testoid1}.5.6




####################################################################
[ ca ]
default_ca      = CA_default            # The default ca section




####################################################################
[ CA_default ]




dir             = ./demoCA              # Where everything is kept
certs           = $dir/certs            # Where the issued certs are kept
crl_dir         = $dir/crl              # Where the issued crl are kept
database        = $dir/index.txt        # database index file.
#unique_subject = no                    # Set to 'no' to allow creation of
                                        # several ctificates with same subject.
new_certs_dir   = $dir/newcerts         # default place for new certs.




certificate     = $dir/cacert.pem       # The CA certificate
serial          = $dir/serial           # The current serial number
crlnumber       = $dir/crlnumber        # the current crl number
                                        # must be commented out to leave a V1 CRL
crl             = $dir/crl.pem          # The current CRL
private_key     = $dir/private/cakey.pem# The private key
RANDFILE        = $dir/private/.rand    # private random number file




x509_extensions = usr_cert              # The extentions to add to the cert




# Comment out the following two lines for the "traditional"
# (and highly broken) format.
name_opt        = ca_default            # Subject Name options
cert_opt        = ca_default            # Certificate field options




# Extension copying option: use with caution.
# copy_extensions = copy




# Extensions to add to a CRL. Note: Netscape communicator chokes on V2 CRLs
# so this is commented out by default to leave a V1 CRL.
# crlnumber must also be commented out to leave a V1 CRL.
# crl_extensions        = crl_ext




default_days    = 365                   # how long to certify for
default_crl_days= 30                    # how long before next CRL
default_md      = sha1                  # which md to use.
preserve        = no                    # keep passed DN ordering




# A few difference way of specifying how similar the request should look
# For type CA, the listed attributes must be the same, and the optional
# and supplied fields are just that :-)
policy          = policy_match




# For the CA policy
[ policy_match ]
countryName             = match
stateOrProvinceName     = match
organizationName        = match
organizationalUnitName  = optional
commonName              = supplied
emailAddress            = optional




# For the 'anything' policy
# At this point in time, you must list all acceptable 'object'
# types.
[ policy_anything ]
countryName             = optional
stateOrProvinceName     = optional
localityName            = optional
organizationName        = optional
organizationalUnitName  = optional
commonName              = supplied
emailAddress            = optional




####################################################################
[ req ]
default_bits            = 1024
default_keyfile         = privkey.pem
distinguished_name      = req_distinguished_name
attributes              = req_attributes
x509_extensions = v3_ca # The extentions to add to the self signed cert




# Passwords for private keys if not present they will be prompted for
# input_password = secret
# output_password = secret




# This sets a mask for permitted string types. There are several options.
# default: PrintableString, T61String, BMPString.
# pkix   : PrintableString, BMPString.
# utf8only: only UTF8Strings.
# nombstr : PrintableString, T61String (no BMPStrings or UTF8Strings).
# MASK:XXXX a literal mask value.
# WARNING: current versions of Netscape crash on BMPStrings or UTF8Strings
# so use this option with caution!
string_mask = nombstr




# req_extensions = v3_req # The extensions to add to a certificate request




[ req_distinguished_name ]
countryName                     = Country Name (2 letter code)
countryName_default             = AU
countryName_min                 = 2
countryName_max                 = 2




stateOrProvinceName             = State or Province Name (full name)
stateOrProvinceName_default     = Some-State




localityName                    = Locality Name (eg, city)




0.organizationName              = Organization Name (eg, company)
0.organizationName_default      = Internet Widgits Pty Ltd




# we can do this but it is not needed normally :-)
#1.organizationName             = Second Organization Name (eg, company)
#1.organizationName_default     = World Wide Web Pty Ltd




organizationalUnitName          = Organizational Unit Name (eg, section)
#organizationalUnitName_default =




commonName                      = Common Name (eg, YOUR name)
commonName_max                  = 64




emailAddress                    = Email Address
emailAddress_max                = 64




# SET-ex3                       = SET extension number 3




[ req_attributes ]
challengePassword               = A challenge password
challengePassword_min           = 4
challengePassword_max           = 20




unstructuredName                = An optional company name




[ usr_cert ]




# These extensions are added when 'ca' signs a request.




# This goes against PKIX guidelines but some CAs do it and some software
# requires this to avoid interpreting an end user certificate as a CA.




basicConstraints=CA:FALSE




# Here are some examples of the usage of nsCertType. If it is omitted
# the certificate can be used for anything *except* object signing.







# This is OK for an SSL server.
# nsCertType                    = server




# For an object signing certificate this would be used.
# nsCertType = objsign




# For normal client use this is typical
# nsCertType = client, email




# and for everything including object signing:
# nsCertType = client, email, objsign




# This is typical in keyUsage for a client certificate.
# keyUsage = nonRepudiation, digitalSignature, keyEncipherment




# This will be displayed in Netscape's comment listbox.
nsComment                       = "OpenSSL Generated Certificate"




# PKIX recommendations harmless if included in all certificates.
subjectKeyIdentifier=hash
authorityKeyIdentifier=keyid,issuer




# This stuff is for subjectAltName and issuerAltname.
# Import the email address.
# subjectAltName=email:copy
# An alternative to produce certificates that aren't
# deprecated according to PKIX.
# subjectAltName=email:move




# Copy subject details
# issuerAltName=issuer:copy




#nsCaRevocationUrl              = http://www.domain.dom/ca-crl.pem
#nsBaseUrl
#nsRevocationUrl
#nsRenewalUrl
#nsCaPolicyUrl
#nsSslServerName




[ v3_req ]




# Extensions to add to a certificate request




basicConstraints = CA:FALSE
keyUsage = nonRepudiation, digitalSignature, keyEncipherment




[ v3_ca ]







# Extensions for a typical CA







# PKIX recommendation.




subjectKeyIdentifier=hash




authorityKeyIdentifier=keyid:always,issuer:always




# This is what PKIX recommends but some broken software chokes on critical
# extensions.
#basicConstraints = critical,CA:true
# So we do this instead.
basicConstraints = CA:true




# Key usage: this is typical for a CA certificate. However since it will
# prevent it being used as an test self-signed certificate it is best
# left out by default.
# keyUsage = cRLSign, keyCertSign




# Some might want this also
# nsCertType = sslCA, emailCA




# Include email address in subject alt name: another PKIX recommendation
# subjectAltName=email:copy
# Copy issuer details
# issuerAltName=issuer:copy




# DER hex encoding of an extension: beware experts only!
# obj=DER:02:03
# Where 'obj' is a standard or added object
# You can even override a supported extension:
# basicConstraints= critical, DER:30:03:01:01:FF




[ crl_ext ]




# CRL extensions.
# Only issuerAltName and authorityKeyIdentifier make any sense in a CRL.




# issuerAltName=issuer:copy
authorityKeyIdentifier=keyid:always,issuer:always




[ proxy_cert_ext ]
# These extensions should be added when creating a proxy certificate




# This goes against PKIX guidelines but some CAs do it and some software
# requires this to avoid interpreting an end user certificate as a CA.




basicConstraints=CA:FALSE




# This is typical in keyUsage for a client certificate.
# keyUsage = nonRepudiation, digitalSignature, keyEncipherment




# This will be displayed in Netscape's comment listbox.
nsComment                       = "OpenSSL Generated Certificate"




# PKIX recommendations harmless if included in all certificates.
subjectKeyIdentifier=hash
authorityKeyIdentifier=keyid,issuer:always




# Copy subject details
# issuerAltName=issuer:copy







# This really needs to be in place for it to be a proxy certificate.
proxyCertInfo=critical,language:id-ppl-anyLanguage,pathlen:3,policy:foo