在HAProxy上提供LDAPS查找,无法在测试中绑定 [英] Serving LDAPS lookups over HAProxy, unable to bind in testing
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问题描述
所以我有一个带有DC的子域,我正在尝试设置HAProxy以用于SSL终止。所以我的问题是HAProxy在尝试连接和绑定到*ldaps时在LDP.exe中出现错误。**tech.com:
Server error: <empty>
53 = ldap_set_option(ld, LDAP_OPT_ENCRYPT, 1)
res = ldap_bind_s(ld, NULL, &NtAuthIdentity, NEGOTIATE (1158)); // v.3
{NtAuthIdentity: User='bh-test'; Pwd=<unavailable>; domain = '****tech.com'}
Error <81>: ldap_bind_s() failed: Server Down.
Server error: <empty>
我可以很好地ping服务器,并且端口636已打开并正在等待。我正在使用一个在该域上具有域管理员权限的用户的凭据。 HAProxy服务器实际上为两个域提供了ACL,而另一个域工作得很好。 这是我的Haproxy.cfg:
global
log /dev/log local0
log /dev/log local1 notice
chroot /var/lib/haproxy
stats socket /run/haproxy/admin.sock mode 660 level admin
stats timeout 30s
maxconn 2048
user haproxy
group haproxy
daemon
# Default SSL material locations
ca-base /etc/ssl/certs
crt-base /etc/ssl/private
# Default ciphers to use on SSL-enabled listening sockets.
# For more information, see ciphers(1SSL). This list is from:
# https://hynek.me/articles/hardening-your-web-servers-ssl-ciphers/
# An alternative list with additional directives can be obtained from
# https://mozilla.github.io/server-side-tls/ssl-config-generator/?server=haproxy
ssl-default-bind-ciphers ECDH+AESGCM:DH+AESGCM:ECDH+AES256:DH+AES256:ECDH+AES128:DH+AES:RSA+AESGCM:RSA+AES:!aNULL:!MD5:!DSS
ssl-default-bind-options no-sslv3
tune.ssl.default-dh-param 2048
defaults
log global
mode http
option httplog
option dontlognull
timeout connect 5000
timeout client 50000
timeout server 50000
errorfile 400 /etc/haproxy/errors/400.http
errorfile 403 /etc/haproxy/errors/403.http
errorfile 408 /etc/haproxy/errors/408.http
errorfile 500 /etc/haproxy/errors/500.http
errorfile 502 /etc/haproxy/errors/502.http
errorfile 503 /etc/haproxy/errors/503.http
errorfile 504 /etc/haproxy/errors/504.http
# Enabling HAProxy Stats
listen stats
bind :8404
mode http
log global
maxconn 10
stats enable
stats refresh 30s
stats show-node
stats auth user:password
stats uri /haproxy?stats
# LDAPS
frontend ldaps_frontend
mode tcp
log global
bind *:636 ssl crt /etc/ssl/private/hap/
description LDAPS Service
option tcplog
option logasap
option socket-stats
option tcpka
timeout client 60s
acl host_j hdr(host) -i j.com
acl host_*** hdr(host) -i ***tech.com
use_backend j_ldaps if host_j
use_backend e*** if host_***
# Enzian Stuff
frontend https-in
bind *:443 ssl crt /etc/ssl/private/hap/
mode http
description ***Tech
option socket-stats
default_backend ***_https
option tcplog
backend j_ldaps
mode tcp
balance leastconn
server dc01 x.x.x.x:636 maxconn 100 check ssl fall 1 rise 1 inter 2s verify none check check-ssl
server dc02 x.x.x.x:636 maxconn 100 check ssl fall 1 rise 1 inter 2s verify none check check-ssl
timeout server 60s
timeout connect 60s
option tcpka
option tcp-check
tcp-check connect port 636 ssl
tcp-check send-binary 300c0201 # LDAP bind request "<ROOT>" simple
tcp-check send-binary 01 # message ID
tcp-check send-binary 6007 # protocol Op
tcp-check send-binary 0201 # bind request
tcp-check send-binary 03 # LDAP v3
tcp-check send-binary 04008000 # name, simple authentication
tcp-check expect binary 0a0100 # bind response + result code: success
tcp-check send-binary 30050201034200 # unbind request
backend ***
mode tcp
balance leastconn
# server dc01.***tech.com x.x.x.x:636 maxconn 100 check ssl fall 1 rise 1 inter 2s verify none check check-ssl
server dc02.***tech.com x.x.x.x:636 maxconn 100 check ssl fall 1 rise 1 inter 2s verify none check check-ssl
timeout server 60s
timeout connect 60s
option tcpka
option tcp-check
tcp-check connect port 636 ssl
tcp-check send-binary 300c0201 # LDAP bind request "<ROOT>" simple
tcp-check send-binary 01 # message ID
tcp-check send-binary 6007 # protocol Op
tcp-check send-binary 0201 # bind request
tcp-check send-binary 03 # LDAP v3
tcp-check send-binary 04008000 # name, simple authentication
tcp-check expect binary 0a0100 # bind response + result code: success
tcp-check send-binary 30050201034200 # unbind request
backend ***_https
mode http
balance leastconn
server subca02.***tech.com x.x.x.x:443 maxconn 100 check ssl fall 1 rise 1 inter 2s verify none check check-ssl
# server dc01.***tech.com x.x.x.x:636 maxconn 100 check ssl fall 1 rise 1 inter 2s verify none check check-ssl
option httpchk OPTIONS / HTTP/1.1
使用的凭据已经过DBL检查,此DC上没有本地防火墙,两个主机之间也没有防火墙,因此我相当困惑。
任何建议都将不胜感激!!
推荐答案
http工作负载的hdr(host)
列表,使用模式tcp不发送。
hdr()
我将尝试使用req.ssl_sni
进行路由,如How does the SNI Routing works in HAProxy和Enhanced SSL Load Balancing with Server Name Indication (SNI) TLS Extension
此处是未经测试的代码片段
frontend ldaps_frontend
mode tcp
log global
bind *:636 ssl crt /etc/ssl/private/hap/
description LDAPS Service
option tcplog
option logasap
option socket-stats
option tcpka
timeout client 60s
acl host_j req.ssl_sni -i j.com
acl host_*** req.ssl_sni -i ***tech.com
use_backend j_ldaps if host_j
use_backend e*** if host_***
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