Home » Seguridad en una SAN Brocade III – Activar administración por HTTPS

Seguridad en una SAN Brocade III – Activar administración por HTTPS

En el post  Seguridad en una SAN Brocade II – Administración con protocolos inseguros  se vió como denegar el acceso a los switches Brocade a través del interfaz de administración por protocolos no seguros, TELNET y HTTP. A continuación veremos como activar el protocolo HTTPS para acceder a la herramienta WEB TOOLSEl procedimiento se compone de una miscelanea de fuentes ya que el descrito en el Admin Guide del Fabric OS no es exacto. Se describe a continuación como se ha generado para el core de una fabric y de forma análoga se debe de realizar en el resto de switches: 

1.- Hacer login con usuario con privilegios de administrador por SSH al switch al que se habilitará HTTPS y ejecutar la siguiente secuencia de comandos: 
 

core1:angel> seccertutil genkey 
Generating a new key pair will automatically do the following: 
1. Delete all existing CSRs. 
2. Delete all existing certificates. 
3. Reset the certificate filename to none. 
4. Disable secure protocols. 

Continue (yes, y, no, n): [no] yes 
Select key size [1024 or 2048]: 1024 
Generating new rsa public/private key pair 
Done. 

core1:angel> seccertutil gencsr 
Country Name (2 letter code, eg, US):ES 
State or Province Name (full name, eg, California):Sevilla 
Locality Name (eg, city name):Sevilla 
Organization Name (eg, company name):AA 
Organizational Unit Name (eg, department name):LABS 
Common Name (Fully qualified Domain Name, or IP address):core1 
Generating CSR, file name is: 192.168.100.1.csr 
Done. 

core1:angel> seccertutil export 
Select protocol [ftp or scp]: ftp 
Enter IP address: 192.168.200.1 
Enter remote directory: /home/angel/certs/ 
Enter Login Name: angel 
Enter Password:  
Success: exported CSR. 

2.- Copiar el fichero CSR a un servidor que contenga las utilidades openssl y el par de clave/certificado de la Agencia Certificadora "cacert.pem y cakey.pem". El siguiente comando generará a partir del fichero CSR un certificado que importaremos desde el switch para activar el sevicio HTTPS: 

 

angel@miequipo ~/pendiente/certificados $ openssl x509 -req -days 3650 -in 192.168.100.1.csr -CA cacert.pem -CAkey cakey.pem -set_serial 01 -out 192.168.100.1.pem 
Signature ok 
subject=/C=ES/ST=Sevilla/L=Sevilla/O=AA/OU=LABS/CN=core1 
Getting CA Private Key 
Enter pass phrase for cakey.pem: 

En este caso se ha asignado un serial para cada switch (-set_serial) de la siguiente forma: 

 

core1 –> 01 
core2 –> 02 
edge4 –> 03 
edge2 –> 04 
edge8 –> 05 
edge6 –> 06 
edge3 –> 07 
edge1 –> 08 
edge7 –> 09 
edge5 –>10 
 

3.- El certificado creado importarlo en el switch 

 

core1:angel> seccertutil import -config swcert -enable https 
Select protocol [ftp or scp]: ftp 
Enter IP address: 192.168.200.1 
Enter remote directory: /home/angel/certs/ 
Enter certificate name (must have ".crt" or ".cer" ".pem" or ".psk" suffix):192.168.100.1.pem 
Enter Login Name: angel 
Enter Password:  
Success: imported certificate [192.168.100.1.pem]. 
Certificate file in configuration has been updated. 
Secure http has been enabled. 
 

De esta forma ya está el servicio HTTPS levantado.

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  50. […] En éste caso, al denegarse el acceso por HTTP no se dispondrá de la interfaz de administración WEB TOOLS, para activar su acceso por HTTPS  ver post Seguridad en una SAN Brocade III – Activar administración por HTTPS. […]

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