if (wp->socket_acl) {
		acl_t aclfile, aclconf;
		acl_entry_t entryfile, entryconf;
		int ifile, iconf;
		acl_tag_t tagfile, tagconf;
		uid_t *uidfile, *uidconf;
		gid_t *gidfile, *gidconf;

		/* Read the socket ACL */
		aclconf = wp->socket_acl;
		aclfile = acl_get_file (path, ACL_TYPE_ACCESS);
		if (!aclfile) {
			zlog(ZLOG_SYSERROR, "[pool %s] failed to read the ACL of the socket '%s'", wp->config->name, path);
			return -1;
		}
		/* Copy the new ACL entry from config */
		for (iconf=ACL_FIRST_ENTRY ; acl_get_entry(aclconf, iconf, &entryconf) ; iconf=ACL_NEXT_ENTRY) {
			if (0 > acl_get_tag_type(entryconf, &tagconf)) {
				zlog(ZLOG_SYSERROR, "[pool %s] failed to get tag of the ACL entry of the pool", wp->config->name);
				acl_free(aclfile);
				return -1;
			}
			if (tagconf == ACL_USER) {
				uidconf = acl_get_qualifier(entryfile);
				if (!uidconf) {
					zlog(ZLOG_SYSERROR, "[pool %s] failed to get user qualifier of the ACL entry of the pool", wp->config->name);
					acl_free(aclfile);
					return -1;
				}
			} else {
				gidconf = acl_get_qualifier(entryfile);
				if (!gidconf) {
					zlog(ZLOG_SYSERROR, "[pool %s] failed to get group qualifier of the ACL entry of the pool", wp->config->name);
					acl_free(aclfile);
					return -1;
				}
			}
			for (ifile=ACL_FIRST_ENTRY ; acl_get_entry(aclfile, ifile, &entryfile) ; ifile=ACL_NEXT_ENTRY) {
				if (0 > acl_get_tag_type(entryfile, &tagfile)) {
					zlog(ZLOG_SYSERROR, "[pool %s] failed to get tag of the ACL entry of the socket '%s'", wp->config->name, path);
					acl_free(tagconf == ACL_USER ? uidconf : gidconf);
					acl_free(aclfile);
					return -1;
				}
				if (tagfile != ACL_USER && tagfile != ACL_GROUP)
					continue;
				if (tagfile != tagconf)
					continue;
				if (tagfile == ACL_USER) {
					uidfile = acl_get_qualifier(entryfile);
					if (!uidfile) {
						zlog(ZLOG_SYSERROR, "[pool %s] failed to get user qualifier of the ACL entry of the socket '%s'", wp->config->name, path);
						acl_free(uidconf);
						acl_free(aclfile);
						return -1;
					}
					if (*uidfile != *uidconf) {
						acl_free(uidfile);
						continue;
					}
				} else {
					gidfile = acl_get_qualifier(entryfile);
					if (!gidfile) {
						zlog(ZLOG_SYSERROR, "[pool %s] failed to get group qualifier of the ACL entry of the socket '%s'", wp->config->name, path);
						acl_free(gidconf);
						acl_free(aclfile);
						return -1;
					}
					if (*gidfile != *gidconf) {
						acl_free(gidfile);
						continue;
					}
				}
				acl_free(tagfile == ACL_USER ? uidfile : gidfile);
				acl_delete_entry(aclfile, entryfile);
			}
			acl_free(tagconf == ACL_USER ? uidconf : gidconf);
			if (0 > acl_create_entry (&aclfile, &entryfile) ||
				0 > acl_copy_entry(entryfile, entryconf)) {
				zlog(ZLOG_SYSERROR, "[pool %s] failed to add entry to the ACL of the socket '%s'", wp->config->name, path);
				acl_free(aclfile);
				return -1;
			}
		}
		/* Write the socket ACL */
		if (0 > acl_calc_mask (&aclfile) ||
			0 > acl_valid (aclfile) ||
			0 > acl_set_file (path, ACL_TYPE_ACCESS, aclfile)) {
			zlog(ZLOG_SYSERROR, "[pool %s] failed to write the ACL of the socket '%s'", wp->config->name, path);
			acl_free(aclfile);
			return -1;
		} else {
			zlog(ZLOG_DEBUG, "[pool %s] ACL of the socket '%s' is set", wp->config->name, path);
		}

		acl_free(aclfile);
		return 0;
	}