IBM AIX
TMA-AIX-4.3.2.11
Ensure rwhod is not in use
Descrição
The rwhod daemon is the remote WHO service, which collects and broadcasts status information to peer servers on the same network. Unless a system is specifically set up to provide WHO services, it is recommended that the rcmd_server fileset be removed to reduce the potential attack surface. Audit: the rwhod start line in /etc/rc.tcpip must be commented out and the rwhod subsystem must not be active.
Como é verificado
Método de auditoria: Comando shell
command -v lssrc >/dev/null 2>&1 || exit 1; [ -r /etc/rc.tcpip ] || exit 1; out=$( { grep -E "^[[:blank:]]*start[[:blank:]]+/usr/(sbin|lib)/rwhod([[:blank:]]|$)" /etc/rc.tcpip; lssrc -s rwhod | awk 'NR>1 && $NF=="active"' ; } 2>/dev/null ); [ -z "$out" ] && echo compliant || printf '%s\n' "$out" | head -n 20- Saída esperada
compliant
Como é corrigido
Método de correção: Orientação ou patch de infraestrutura
Run the following command to remove the software: # /usr/sbin/installp -u bos.net.tcp.rcmd_server bos.net.tcp.server - OR - - IF - the bos.net.tcp.rcmd_server fileset is required as a dependency: Run the following script to stop and disable rwhod #!/usr/bin/ksh DAEMONS="rwhod" for l_daemon in $DAEMONS; do /usr/sbin/chrctcp -d $l_daemon /usr/bin/stopsrc -s $l_daemon done
Propriedades
- Sistemas operacionais
- Qualquer
- Tags
- aixhardening
- Referência
- CIS IBM AIX 7 Benchmark v1.2.0 - 4.3.2.11 Ensure rwhod is not in use
Verificar este host
Execute isto em uma máquina que você tenha permissão para auditar. A varredura é somente leitura.
tmaegis scan --target aix