[OpenSIPS-Users] [TLS] TLS read error 5 on hanging up call and TLS decrypt error on new connection.
Jan Skórczyński
jskorczynski at milosolutions.com
Fri Jan 18 08:41:56 EST 2019
Hello there,
I'm running opensips 2.4 server with tls support (but without cert
verification). For SIP clients I use pjsiplib 2.8.
When user ends call with pjsua_call_hangup() server throws this error:
opensips[14258]: ERROR:proto_tls:_tls_read: SYSCALL error -> (104)
<Connection reset by peer>
opensips[14258]: ERROR:proto_tls:_tls_read: TLS connection to
185.63.109.74:44828 read failed
opensips[14258]: ERROR:proto_tls:_tls_read: TLS read error: 5
opensips[14258]: ERROR:proto_tls:tls_read_req: failed to read
Second issue occurs when someone wants to connect to the sip server. It
throws:
opensips[12482]: ERROR:proto_tls:tls_accept: New TLS connection from
213.205.230.197:42038 failed to accept
opensips[12482]: ERROR:proto_tls:tls_print_errstack: TLS errstack:
error:1409441B:SSL routines:ssl3_read_bytes:tlsv1 alert decrypt error
opensips[12482]: ERROR:proto_tls:tls_read_req: failed to do pre-tls reading
Above happens from time to time, but there was a situation when clients
cannot establish any connection with opensips till I restart server. Server
logs was filled with those errors.
Could you help me with those issues? Maybe my tls configuration is wrong?
Any ideas?
I'm pasting my configuration. I replaced my server ip and port with
My.Server.Ip and MY.PORT respectively.
####### Global Parameters #########
log_level=1
log_stderror=no
log_facility=LOG_LOCAL0
children=4
/* uncomment the following lines to enable debugging */
#debug_mode=yes
/* uncomment the next line to enable the auto temporary blacklisting of
not available destinations (default disabled) */
#disable_dns_blacklist=no
/* uncomment the next line to enable IPv6 lookup after IPv4 dns
lookup failures (default disabled) */
#dns_try_ipv6=yes
/* comment the next line to enable the auto discovery of local aliases
based on reverse DNS on IPs */
auto_aliases=no
listen=udp:My.Server.IP:MY.PORT
listen=tls:My.Server.IP:MY.PORT
####### Modules Section ########
#set module path
mpath="/usr/lib/x86_64-linux-gnu/opensips/modules/"
#### STUN server
loadmodule "stun.so"
modparam("stun", "primary_ip", "My.Server.IP")
modparam("stun", "primary_port", "MY.PORT")
modparam("stun", "alternate_ip", "My.Server.IP")
modparam("stun", "alternate_port", "MY.PORT")
#### SIGNALING module
loadmodule "signaling.so"
#### StateLess module
loadmodule "sl.so"
#### Transaction Module
loadmodule "tm.so"
modparam("tm", "fr_timeout", 30)
modparam("tm", "fr_inv_timeout", 600)
modparam("tm", "restart_fr_on_each_reply", 1)
modparam("tm", "onreply_avp_mode", 1)
#### Dialog module
loadmodule "dialog.so"
modparam("dialog", "enable_stats", 0)
#### Record Route Module
loadmodule "rr.so"
/* do not append from tag to the RR (no need for this script) */
modparam("rr", "append_fromtag", 0)
#### MAX ForWarD module
loadmodule "maxfwd.so"
#### SIP MSG OPerationS module
loadmodule "sipmsgops.so"
#### FIFO Management Interface
loadmodule "mi_fifo.so"
modparam("mi_fifo", "fifo_name", "/tmp/opensips_fifo")
modparam("mi_fifo", "fifo_mode", 0666)
#### URI module
loadmodule "uri.so"
modparam("uri", "use_uri_table", 0)
#### USeR LOCation module
loadmodule "usrloc.so"
modparam("usrloc", "nat_bflag", "NAT")
modparam("usrloc", "working_mode_preset", "single-instance-no-db")
#### NAT HELPER ####
loadmodule "nathelper.so"
modparam("nathelper", "sipping_bflag", "SIPPING_ENABLE")
modparam("nathelper", "remove_on_timeout_bflag", "SIPPING_RTO")
modparam("nathelper", "natping_tcp", 1)
#### REGISTRAR module
loadmodule "registrar.so"
modparam("registrar", "tcp_persistent_flag", "TCP_PERSISTENT")
/* uncomment the next line not to allow more than 10 contacts per AOR */
#modparam("registrar", "max_contacts", 10)
#### ACCounting module
loadmodule "acc.so"
/* what special events should be accounted ? */
modparam("acc", "early_media", 0)
modparam("acc", "report_cancels", 0)
/* by default we do not adjust the direct of the sequential requests.
if you enable this parameter, be sure the enable "append_fromtag"
in "rr" module */
modparam("acc", "detect_direction", 0)
### MediaProxy
loadmodule "mediaproxy.so"
modparam("mediaproxy", "disable", 0)
modparam("mediaproxy", "ice_candidate", "low-priority")
modparam("mediaproxy", "ice_candidate_avp", "$avp(ice_candidate)")
loadmodule "proto_udp.so"
### TLS MODULE
#loadmodule "proto_hep.so"
loadmodule "proto_tls.so"
loadmodule "tls_mgm.so"
#set global tls parameters
modparam("tls_mgm", "verify_cert", "0")
modparam("tls_mgm", "require_cert", "0")
# modparam("tls_mgm", "tls_method", "TLSv1")
modparam("tls_mgm", "certificate", "/root/tls_cnf/tls/rootCA/cacert.pem")
modparam("tls_mgm", "private_key",
"/root/tls_cnf/tls/rootCA/private/cakey.pem")
modparam("tls_mgm", "ca_list", "/root/tls_cnf/tls/rootCA/cacert.pem")
modparam("tls_mgm", "ca_dir", "/root/tls_cnf/tls/rootCA/")
####### Routing Logic ########
# main request routing logic
route{
if (!mf_process_maxfwd_header("10")) {
send_reply("483","Too Many Hops");
exit;
}
if (has_totag()) {
# handle hop-by-hop ACK (no routing required)
if ( is_method("ACK") && t_check_trans() ) {
t_relay();
exit;
}
# sequential request within a dialog should
# take the path determined by record-routing
if ( !loose_route() ) {
# we do record-routing for all our traffic, so we
should not
# receive any sequential requests without Route hdr.
send_reply("404","Not here");
exit;
}
if (is_method("BYE")) {
# do accounting even if the transaction fails
#do_accounting("log","failed");
}
# route it out to whatever destination was set by
loose_route()
# in $du (destination URI).
route(relay);
exit;
}
# CANCEL processing
if (is_method("CANCEL")) {
if (t_check_trans())
t_relay();
exit;
}
# absorb retransmissions, but do not create transaction
t_check_trans();
if ( !(is_method("REGISTER") ) ) {
if (is_myself("$fd")) {
} else {
# if caller is not local, then called number must
be local
if (!is_myself("$rd")) {
send_reply("403","Relay Forbidden");
exit;
}
}
}
# preloaded route checking
if (loose_route()) {
xlog("L_ERR",
"Attempt to route with preloaded Route's
[$fu/$tu/$ru/$ci]");
if (!is_method("ACK"))
send_reply("403","Preload Route denied");
exit;
}
# record routing
if (!is_method("REGISTER|MESSAGE"))
record_route();
# account only INVITEs
if (is_method("INVITE")) {
create_dialog();
engage_media_proxy();
#do_accounting("log");
}
if (!is_myself("$rd")) {
append_hf("P-hint: outbound\r\n");
route(relay);
}
# requests for my domain
if (is_method("PUBLISH|SUBSCRIBE")) {
send_reply("503", "Service Unavailable");
exit;
}
if (is_method("REGISTER")) {
if (!save("location"))
sl_reply_error();
exit;
}
if ($rU==NULL) {
# request with no Username in RURI
send_reply("484","Address Incomplete");
exit;
}
# do lookup with method filtering
if (!lookup("location","m")) {
t_reply("404", "Not Found");
exit;
}
# when routing via usrloc, log the missed calls also
do_accounting("log","missed");
route(relay);
}
route[relay] {
# for INVITEs enable some additional helper routes
if (is_method("INVITE")) {
t_on_branch("per_branch_ops");
t_on_reply("handle_nat");
t_on_failure("missed_call");
}
if (!t_relay()) {
send_reply("500","Internal Error");
}
exit;
}
branch_route[per_branch_ops] {
xlog("new branch at $ru\n");
}
onreply_route[handle_nat] {
xlog("incoming reply\n");
}
failure_route[missed_call] {
if (t_was_cancelled()) {
exit;
}
# uncomment the following lines if you want to block client
# redirect based on 3xx replies.
##if (t_check_status("3[0-9][0-9]")) {
##t_reply("404","Not found");
## exit;
##}
}
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